19571950

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2196

約数の個数: 24

約数和(自身を含む): 36607032

約数和(自身を除く): 17035082

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 1987, 3974, 4925, 9850, 9935, 19870, 49675, 99350, 391439, 782878, 1957195, 3914390, 9785975, 19571950]

約数ペア:

[(1, 19571950), (2, 9785975), (5, 3914390), (10, 1957195), (25, 782878), (50, 391439), (197, 99350), (394, 49675), (985, 19870), (1970, 9935), (1987, 9850), (3974, 4925)]