18809240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24749}}^1$

素因数の和:24779

約数の個数: 32

約数和(自身を含む): 44550000

約数和(自身を除く): 25740760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24749, 49498, 98996, 123745, 197992, 247490, 470231, 494980, 940462, 989960, 1880924, 2351155, 3761848, 4702310, 9404620, 18809240]

約数ペア:

[(1, 18809240), (2, 9404620), (4, 4702310), (5, 3761848), (8, 2351155), (10, 1880924), (19, 989960), (20, 940462), (38, 494980), (40, 470231), (76, 247490), (95, 197992), (152, 123745), (190, 98996), (380, 49498), (760, 24749)]