19553390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 37018080

約数和(自身を除く): 17464690

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1229, 1591, 2458, 3182, 6145, 7955, 12290, 15910, 45473, 52847, 90946, 105694, 227365, 264235, 454730, 528470, 1955339, 3910678, 9776695, 19553390]

約数ペア:

[(1, 19553390), (2, 9776695), (5, 3910678), (10, 1955339), (37, 528470), (43, 454730), (74, 264235), (86, 227365), (185, 105694), (215, 90946), (370, 52847), (430, 45473), (1229, 15910), (1591, 12290), (2458, 7955), (3182, 6145)]