20018438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 14939002

約数列:

[1, 2, 11, 19, 22, 38, 83, 166, 209, 418, 577, 913, 1154, 1577, 1826, 3154, 6347, 10963, 12694, 17347, 21926, 34694, 47891, 95782, 120593, 241186, 526801, 909929, 1053602, 1819858, 10009219, 20018438]

約数ペア:

[(1, 20018438), (2, 10009219), (11, 1819858), (19, 1053602), (22, 909929), (38, 526801), (83, 241186), (166, 120593), (209, 95782), (418, 47891), (577, 34694), (913, 21926), (1154, 17347), (1577, 12694), (1826, 10963), (3154, 6347)]