19733960

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1607}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 44573760

約数和(自身を除く): 24839800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 1607, 2456, 3070, 3214, 6140, 6428, 8035, 12280, 12856, 16070, 32140, 64280, 493349, 986698, 1973396, 2466745, 3946792, 4933490, 9866980, 19733960]

約数ペア:

[(1, 19733960), (2, 9866980), (4, 4933490), (5, 3946792), (8, 2466745), (10, 1973396), (20, 986698), (40, 493349), (307, 64280), (614, 32140), (1228, 16070), (1535, 12856), (1607, 12280), (2456, 8035), (3070, 6428), (3214, 6140)]