18895560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3038

約数の個数: 64

約数和(自身を含む): 57775680

約数和(自身を除く): 38880120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 2971, 3180, 5942, 6360, 8913, 11884, 14855, 17826, 23768, 29710, 35652, 44565, 59420, 71304, 89130, 118840, 157463, 178260, 314926, 356520, 472389, 629852, 787315, 944778, 1259704, 1574630, 1889556, 2361945, 3149260, 3779112, 4723890, 6298520, 9447780, 18895560]

約数ペア:

[(1, 18895560), (2, 9447780), (3, 6298520), (4, 4723890), (5, 3779112), (6, 3149260), (8, 2361945), (10, 1889556), (12, 1574630), (15, 1259704), (20, 944778), (24, 787315), (30, 629852), (40, 472389), (53, 356520), (60, 314926), (106, 178260), (120, 157463), (159, 118840), (212, 89130), (265, 71304), (318, 59420), (424, 44565), (530, 35652), (636, 29710), (795, 23768), (1060, 17826), (1272, 14855), (1590, 11884), (2120, 8913), (2971, 6360), (3180, 5942)]