1900512190

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1\times {\mathrm{2111}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 3447442944

約数和(自身を除く): 1546930754

約数列:

[1, 2, 5, 10, 197, 394, 457, 914, 985, 1970, 2111, 2285, 4222, 4570, 10555, 21110, 90029, 180058, 415867, 450145, 831734, 900290, 964727, 1929454, 2079335, 4158670, 4823635, 9647270, 190051219, 380102438, 950256095, 1900512190]

約数ペア:

[(1, 1900512190), (2, 950256095), (5, 380102438), (10, 190051219), (197, 9647270), (394, 4823635), (457, 4158670), (914, 2079335), (985, 1929454), (1970, 964727), (2111, 900290), (2285, 831734), (4222, 450145), (4570, 415867), (10555, 180058), (21110, 90029)]