1993173860

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{221957}}^1$

素因数の和:222415

約数の個数: 24

約数和(自身を含む): 4195006200

約数和(自身を除く): 2201832340

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 221957, 443914, 887828, 1109785, 2219570, 4439140, 99658693, 199317386, 398634772, 498293465, 996586930, 1993173860]

約数ペア:

[(1, 1993173860), (2, 996586930), (4, 498293465), (5, 398634772), (10, 199317386), (20, 99658693), (449, 4439140), (898, 2219570), (1796, 1109785), (2245, 887828), (4490, 443914), (8980, 221957)]