18859680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1871}}^1$

素因数の和:1899

約数の個数: 144

約数和(自身を含む): 73592064

約数和(自身を除く): 54732384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1871, 2016, 2520, 3360, 3742, 5040, 5613, 7484, 9355, 10080, 11226, 13097, 14968, 16839, 18710, 22452, 26194, 28065, 29936, 33678, 37420, 39291, 44904, 52388, 56130, 59872, 65485, 67356, 74840, 78582, 84195, 89808, 104776, 112260, 117873, 130970, 134712, 149680, 157164, 168390, 179616, 196455, 209552, 224520, 235746, 261940, 269424, 299360, 314328, 336780, 392910, 419104, 449040, 471492, 523880, 538848, 589365, 628656, 673560, 785820, 898080, 942984, 1047760, 1178730, 1257312, 1347120, 1571640, 1885968, 2095520, 2357460, 2694240, 3143280, 3771936, 4714920, 6286560, 9429840, 18859680]

約数ペア:

[(1, 18859680), (2, 9429840), (3, 6286560), (4, 4714920), (5, 3771936), (6, 3143280), (7, 2694240), (8, 2357460), (9, 2095520), (10, 1885968), (12, 1571640), (14, 1347120), (15, 1257312), (16, 1178730), (18, 1047760), (20, 942984), (21, 898080), (24, 785820), (28, 673560), (30, 628656), (32, 589365), (35, 538848), (36, 523880), (40, 471492), (42, 449040), (45, 419104), (48, 392910), (56, 336780), (60, 314328), (63, 299360), (70, 269424), (72, 261940), (80, 235746), (84, 224520), (90, 209552), (96, 196455), (105, 179616), (112, 168390), (120, 157164), (126, 149680), (140, 134712), (144, 130970), (160, 117873), (168, 112260), (180, 104776), (210, 89808), (224, 84195), (240, 78582), (252, 74840), (280, 67356), (288, 65485), (315, 59872), (336, 56130), (360, 52388), (420, 44904), (480, 39291), (504, 37420), (560, 33678), (630, 29936), (672, 28065), (720, 26194), (840, 22452), (1008, 18710), (1120, 16839), (1260, 14968), (1440, 13097), (1680, 11226), (1871, 10080), (2016, 9355), (2520, 7484), (3360, 5613), (3742, 5040)]