19540378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4062

約数の個数: 32

約数和(自身を含む): 36469440

約数和(自身を除く): 16929062

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4019, 4862, 8038, 44209, 52247, 68323, 88418, 104494, 136646, 574717, 751553, 888199, 1149434, 1503106, 1776398, 9770189, 19540378]

約数ペア:

[(1, 19540378), (2, 9770189), (11, 1776398), (13, 1503106), (17, 1149434), (22, 888199), (26, 751553), (34, 574717), (143, 136646), (187, 104494), (221, 88418), (286, 68323), (374, 52247), (442, 44209), (2431, 8038), (4019, 4862)]