19443240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 69391080

約数和(自身を除く): 49947840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 353, 360, 405, 408, 459, 510, 540, 612, 648, 680, 706, 765, 810, 918, 1020, 1059, 1080, 1224, 1377, 1412, 1530, 1620, 1765, 1836, 2040, 2118, 2295, 2754, 2824, 3060, 3177, 3240, 3530, 3672, 4236, 4590, 5295, 5508, 6001, 6120, 6354, 6885, 7060, 8472, 9180, 9531, 10590, 11016, 12002, 12708, 13770, 14120, 15885, 18003, 18360, 19062, 21180, 24004, 25416, 27540, 28593, 30005, 31770, 36006, 38124, 42360, 47655, 48008, 54009, 55080, 57186, 60010, 63540, 72012, 76248, 90015, 95310, 108018, 114372, 120020, 127080, 142965, 144024, 162027, 180030, 190620, 216036, 228744, 240040, 270045, 285930, 324054, 360060, 381240, 432072, 486081, 540090, 571860, 648108, 720120, 810135, 972162, 1080180, 1143720, 1296216, 1620270, 1944324, 2160360, 2430405, 3240540, 3888648, 4860810, 6481080, 9721620, 19443240]

約数ペア:

[(1, 19443240), (2, 9721620), (3, 6481080), (4, 4860810), (5, 3888648), (6, 3240540), (8, 2430405), (9, 2160360), (10, 1944324), (12, 1620270), (15, 1296216), (17, 1143720), (18, 1080180), (20, 972162), (24, 810135), (27, 720120), (30, 648108), (34, 571860), (36, 540090), (40, 486081), (45, 432072), (51, 381240), (54, 360060), (60, 324054), (68, 285930), (72, 270045), (81, 240040), (85, 228744), (90, 216036), (102, 190620), (108, 180030), (120, 162027), (135, 144024), (136, 142965), (153, 127080), (162, 120020), (170, 114372), (180, 108018), (204, 95310), (216, 90015), (255, 76248), (270, 72012), (306, 63540), (324, 60010), (340, 57186), (353, 55080), (360, 54009), (405, 48008), (408, 47655), (459, 42360), (510, 38124), (540, 36006), (612, 31770), (648, 30005), (680, 28593), (706, 27540), (765, 25416), (810, 24004), (918, 21180), (1020, 19062), (1059, 18360), (1080, 18003), (1224, 15885), (1377, 14120), (1412, 13770), (1530, 12708), (1620, 12002), (1765, 11016), (1836, 10590), (2040, 9531), (2118, 9180), (2295, 8472), (2754, 7060), (2824, 6885), (3060, 6354), (3177, 6120), (3240, 6001), (3530, 5508), (3672, 5295), (4236, 4590)]