18687540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 33865548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1063, 1172, 1465, 1758, 2126, 2930, 3189, 3516, 4252, 4395, 5315, 5860, 6378, 8790, 10630, 12756, 15945, 17580, 21260, 31890, 63780, 311459, 622918, 934377, 1245836, 1557295, 1868754, 3114590, 3737508, 4671885, 6229180, 9343770, 18687540]

約数ペア:

[(1, 18687540), (2, 9343770), (3, 6229180), (4, 4671885), (5, 3737508), (6, 3114590), (10, 1868754), (12, 1557295), (15, 1245836), (20, 934377), (30, 622918), (60, 311459), (293, 63780), (586, 31890), (879, 21260), (1063, 17580), (1172, 15945), (1465, 12756), (1758, 10630), (2126, 8790), (2930, 6378), (3189, 5860), (3516, 5315), (4252, 4395)]