19889520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11839}}^1$

素因数の和:11862

約数の個数: 80

約数和(自身を含む): 70471680

約数和(自身を除く): 50582160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11839, 23678, 35517, 47356, 59195, 71034, 82873, 94712, 118390, 142068, 165746, 177585, 189424, 236780, 248619, 284136, 331492, 355170, 414365, 473560, 497238, 568272, 662984, 710340, 828730, 947120, 994476, 1243095, 1325968, 1420680, 1657460, 1988952, 2486190, 2841360, 3314920, 3977904, 4972380, 6629840, 9944760, 19889520]

約数ペア:

[(1, 19889520), (2, 9944760), (3, 6629840), (4, 4972380), (5, 3977904), (6, 3314920), (7, 2841360), (8, 2486190), (10, 1988952), (12, 1657460), (14, 1420680), (15, 1325968), (16, 1243095), (20, 994476), (21, 947120), (24, 828730), (28, 710340), (30, 662984), (35, 568272), (40, 497238), (42, 473560), (48, 414365), (56, 355170), (60, 331492), (70, 284136), (80, 248619), (84, 236780), (105, 189424), (112, 177585), (120, 165746), (140, 142068), (168, 118390), (210, 94712), (240, 82873), (280, 71034), (336, 59195), (420, 47356), (560, 35517), (840, 23678), (1680, 11839)]