18749960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24671}}^1$

素因数の和:24701

約数の個数: 32

約数和(自身を含む): 44409600

約数和(自身を除く): 25659640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24671, 49342, 98684, 123355, 197368, 246710, 468749, 493420, 937498, 986840, 1874996, 2343745, 3749992, 4687490, 9374980, 18749960]

約数ペア:

[(1, 18749960), (2, 9374980), (4, 4687490), (5, 3749992), (8, 2343745), (10, 1874996), (19, 986840), (20, 937498), (38, 493420), (40, 468749), (76, 246710), (95, 197368), (152, 123355), (190, 98684), (380, 49342), (760, 24671)]