19996438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3167}}^1$

素因数の和:3228

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 18323690

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 3167, 6314, 6334, 22169, 34837, 44338, 69674, 129847, 243859, 259694, 487718, 908929, 1428317, 1817858, 2856634, 9998219, 19996438]

約数ペア:

[(1, 19996438), (2, 9998219), (7, 2856634), (11, 1817858), (14, 1428317), (22, 908929), (41, 487718), (77, 259694), (82, 243859), (154, 129847), (287, 69674), (451, 44338), (574, 34837), (902, 22169), (3157, 6334), (3167, 6314)]