19759831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 6585257

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 241, 371, 689, 901, 1547, 1687, 3133, 4097, 4823, 6307, 11713, 12773, 21931, 28679, 53261, 81991, 89411, 166049, 217141, 372827, 1162343, 1519987, 2822833, 19759831]

約数ペア:

[(1, 19759831), (7, 2822833), (13, 1519987), (17, 1162343), (53, 372827), (91, 217141), (119, 166049), (221, 89411), (241, 81991), (371, 53261), (689, 28679), (901, 21931), (1547, 12773), (1687, 11713), (3133, 6307), (4097, 4823)]