18250840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2549}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 23059160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2549, 3580, 5098, 7160, 10196, 12745, 20392, 25490, 50980, 101960, 456271, 912542, 1825084, 2281355, 3650168, 4562710, 9125420, 18250840]

約数ペア:

[(1, 18250840), (2, 9125420), (4, 4562710), (5, 3650168), (8, 2281355), (10, 1825084), (20, 912542), (40, 456271), (179, 101960), (358, 50980), (716, 25490), (895, 20392), (1432, 12745), (1790, 10196), (2549, 7160), (3580, 5098)]