18860446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 14109794

約数列:

[1, 2, 11, 17, 22, 34, 187, 211, 239, 374, 422, 478, 2321, 2629, 3587, 4063, 4642, 5258, 7174, 8126, 39457, 44693, 50429, 78914, 89386, 100858, 554719, 857293, 1109438, 1714586, 9430223, 18860446]

約数ペア:

[(1, 18860446), (2, 9430223), (11, 1714586), (17, 1109438), (22, 857293), (34, 554719), (187, 100858), (211, 89386), (239, 78914), (374, 50429), (422, 44693), (478, 39457), (2321, 8126), (2629, 7174), (3587, 5258), (4063, 4642)]