199911910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{7541}}^1$

素因数の和:7800

約数の個数: 32

約数和(自身を含む): 394235424

約数和(自身を除く): 194323514

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 1205, 2410, 2651, 5302, 7541, 13255, 15082, 26510, 37705, 75410, 82951, 165902, 414755, 829510, 1817381, 3634762, 9086905, 18173810, 19991191, 39982382, 99955955, 199911910]

約数ペア:

[(1, 199911910), (2, 99955955), (5, 39982382), (10, 19991191), (11, 18173810), (22, 9086905), (55, 3634762), (110, 1817381), (241, 829510), (482, 414755), (1205, 165902), (2410, 82951), (2651, 75410), (5302, 37705), (7541, 26510), (13255, 15082)]