19465560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 63882000

約数和(自身を除く): 44416440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 389, 417, 556, 695, 778, 834, 1112, 1167, 1251, 1390, 1556, 1668, 1945, 2085, 2334, 2502, 2780, 3112, 3336, 3501, 3890, 4170, 4668, 5004, 5560, 5835, 6255, 7002, 7780, 8340, 9336, 10008, 11670, 12510, 14004, 15560, 16680, 17505, 23340, 25020, 28008, 35010, 46680, 50040, 54071, 70020, 108142, 140040, 162213, 216284, 270355, 324426, 432568, 486639, 540710, 648852, 811065, 973278, 1081420, 1297704, 1622130, 1946556, 2162840, 2433195, 3244260, 3893112, 4866390, 6488520, 9732780, 19465560]

約数ペア:

[(1, 19465560), (2, 9732780), (3, 6488520), (4, 4866390), (5, 3893112), (6, 3244260), (8, 2433195), (9, 2162840), (10, 1946556), (12, 1622130), (15, 1297704), (18, 1081420), (20, 973278), (24, 811065), (30, 648852), (36, 540710), (40, 486639), (45, 432568), (60, 324426), (72, 270355), (90, 216284), (120, 162213), (139, 140040), (180, 108142), (278, 70020), (360, 54071), (389, 50040), (417, 46680), (556, 35010), (695, 28008), (778, 25020), (834, 23340), (1112, 17505), (1167, 16680), (1251, 15560), (1390, 14004), (1556, 12510), (1668, 11670), (1945, 10008), (2085, 9336), (2334, 8340), (2502, 7780), (2780, 7002), (3112, 6255), (3336, 5835), (3501, 5560), (3890, 5004), (4170, 4668)]