19727550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{4871}}^1$

素因数の和:4895

約数の個数: 60

約数和(自身を含む): 54824616

約数和(自身を除く): 35097066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 4871, 9742, 14613, 24355, 29226, 43839, 48710, 73065, 87678, 121775, 131517, 146130, 219195, 243550, 263034, 365325, 394551, 438390, 657585, 730650, 789102, 1095975, 1315170, 1972755, 2191950, 3287925, 3945510, 6575850, 9863775, 19727550]

約数ペア:

[(1, 19727550), (2, 9863775), (3, 6575850), (5, 3945510), (6, 3287925), (9, 2191950), (10, 1972755), (15, 1315170), (18, 1095975), (25, 789102), (27, 730650), (30, 657585), (45, 438390), (50, 394551), (54, 365325), (75, 263034), (81, 243550), (90, 219195), (135, 146130), (150, 131517), (162, 121775), (225, 87678), (270, 73065), (405, 48710), (450, 43839), (675, 29226), (810, 24355), (1350, 14613), (2025, 9742), (4050, 4871)]