18655980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1095

約数の個数: 96

約数和(自身を含む): 61146624

約数和(自身を除く): 42490644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1033, 1204, 1290, 1505, 1806, 2066, 2580, 3010, 3099, 3612, 4132, 4515, 5165, 6020, 6198, 7231, 9030, 10330, 12396, 14462, 15495, 18060, 20660, 21693, 28924, 30990, 36155, 43386, 44419, 61980, 72310, 86772, 88838, 108465, 133257, 144620, 177676, 216930, 222095, 266514, 310933, 433860, 444190, 533028, 621866, 666285, 888380, 932799, 1243732, 1332570, 1554665, 1865598, 2665140, 3109330, 3731196, 4663995, 6218660, 9327990, 18655980]

約数ペア:

[(1, 18655980), (2, 9327990), (3, 6218660), (4, 4663995), (5, 3731196), (6, 3109330), (7, 2665140), (10, 1865598), (12, 1554665), (14, 1332570), (15, 1243732), (20, 932799), (21, 888380), (28, 666285), (30, 621866), (35, 533028), (42, 444190), (43, 433860), (60, 310933), (70, 266514), (84, 222095), (86, 216930), (105, 177676), (129, 144620), (140, 133257), (172, 108465), (210, 88838), (215, 86772), (258, 72310), (301, 61980), (420, 44419), (430, 43386), (516, 36155), (602, 30990), (645, 28924), (860, 21693), (903, 20660), (1033, 18060), (1204, 15495), (1290, 14462), (1505, 12396), (1806, 10330), (2066, 9030), (2580, 7231), (3010, 6198), (3099, 6020), (3612, 5165), (4132, 4515)]