18813959640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{355517}}^1$

素因数の和:355551

約数の個数: 192

約数和(自身を含む): 72952293600

約数和(自身を除く): 54138333960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 13230, 17640, 26460, 52920, 355517, 711034, 1066551, 1422068, 1777585, 2133102, 2488619, 2844136, 3199653, 3555170, 4266204, 4977238, 5332755, 6399306, 7110340, 7465857, 8532408, 9598959, 9954476, 10665510, 12443095, 12798612, 14220680, 14931714, 15998265, 17420333, 19197918, 19908952, 21331020, 22397571, 24886190, 25597224, 29863428, 31996530, 34840666, 37329285, 38395836, 42662040, 44795142, 47994795, 49772380, 52260999, 59726856, 63993060, 67192713, 69681332, 74658570, 76791672, 87101665, 89590284, 95989590, 99544760, 104521998, 111987855, 127986120, 134385426, 139362664, 149317140, 156782997, 174203330, 179180568, 191979180, 209043996, 223975710, 261304995, 268770852, 298634280, 313565994, 335963565, 348406660, 383958360, 418087992, 447951420, 470348991, 522609990, 537541704, 627131988, 671927130, 696813320, 783914985, 895902840, 940697982, 1045219980, 1254263976, 1343854260, 1567829970, 1881395964, 2090439960, 2351744955, 2687708520, 3135659940, 3762791928, 4703489910, 6271319880, 9406979820, 18813959640]

約数ペア:

[(1, 18813959640), (2, 9406979820), (3, 6271319880), (4, 4703489910), (5, 3762791928), (6, 3135659940), (7, 2687708520), (8, 2351744955), (9, 2090439960), (10, 1881395964), (12, 1567829970), (14, 1343854260), (15, 1254263976), (18, 1045219980), (20, 940697982), (21, 895902840), (24, 783914985), (27, 696813320), (28, 671927130), (30, 627131988), (35, 537541704), (36, 522609990), (40, 470348991), (42, 447951420), (45, 418087992), (49, 383958360), (54, 348406660), (56, 335963565), (60, 313565994), (63, 298634280), (70, 268770852), (72, 261304995), (84, 223975710), (90, 209043996), (98, 191979180), (105, 179180568), (108, 174203330), (120, 156782997), (126, 149317140), (135, 139362664), (140, 134385426), (147, 127986120), (168, 111987855), (180, 104521998), (189, 99544760), (196, 95989590), (210, 89590284), (216, 87101665), (245, 76791672), (252, 74658570), (270, 69681332), (280, 67192713), (294, 63993060), (315, 59726856), (360, 52260999), (378, 49772380), (392, 47994795), (420, 44795142), (441, 42662040), (490, 38395836), (504, 37329285), (540, 34840666), (588, 31996530), (630, 29863428), (735, 25597224), (756, 24886190), (840, 22397571), (882, 21331020), (945, 19908952), (980, 19197918), (1080, 17420333), (1176, 15998265), (1260, 14931714), (1323, 14220680), (1470, 12798612), (1512, 12443095), (1764, 10665510), (1890, 9954476), (1960, 9598959), (2205, 8532408), (2520, 7465857), (2646, 7110340), (2940, 6399306), (3528, 5332755), (3780, 4977238), (4410, 4266204), (5292, 3555170), (5880, 3199653), (6615, 2844136), (7560, 2488619), (8820, 2133102), (10584, 1777585), (13230, 1422068), (17640, 1066551), (26460, 711034), (52920, 355517)]