18500520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1021}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 55923840

約数和(自身を除く): 37423320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1021, 1208, 1510, 1812, 2042, 2265, 3020, 3063, 3624, 4084, 4530, 5105, 6040, 6126, 8168, 9060, 10210, 12252, 15315, 18120, 20420, 24504, 30630, 40840, 61260, 122520, 154171, 308342, 462513, 616684, 770855, 925026, 1233368, 1541710, 1850052, 2312565, 3083420, 3700104, 4625130, 6166840, 9250260, 18500520]

約数ペア:

[(1, 18500520), (2, 9250260), (3, 6166840), (4, 4625130), (5, 3700104), (6, 3083420), (8, 2312565), (10, 1850052), (12, 1541710), (15, 1233368), (20, 925026), (24, 770855), (30, 616684), (40, 462513), (60, 308342), (120, 154171), (151, 122520), (302, 61260), (453, 40840), (604, 30630), (755, 24504), (906, 20420), (1021, 18120), (1208, 15315), (1510, 12252), (1812, 10210), (2042, 9060), (2265, 8168), (3020, 6126), (3063, 6040), (3624, 5105), (4084, 4530)]