19274510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 36251712

約数和(自身を除く): 16977202

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 887, 1774, 2173, 4346, 4435, 8870, 10865, 21730, 36367, 47011, 72734, 94022, 181835, 235055, 363670, 470110, 1927451, 3854902, 9637255, 19274510]

約数ペア:

[(1, 19274510), (2, 9637255), (5, 3854902), (10, 1927451), (41, 470110), (53, 363670), (82, 235055), (106, 181835), (205, 94022), (265, 72734), (410, 47011), (530, 36367), (887, 21730), (1774, 10865), (2173, 8870), (4346, 4435)]