19556908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22531}}^1$

素因数の和:22573

約数の個数: 24

約数和(自身を含む): 40377344

約数和(自身を除く): 20820436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22531, 45062, 90124, 157717, 315434, 630868, 698461, 1396922, 2793844, 4889227, 9778454, 19556908]

約数ペア:

[(1, 19556908), (2, 9778454), (4, 4889227), (7, 2793844), (14, 1396922), (28, 698461), (31, 630868), (62, 315434), (124, 157717), (217, 90124), (434, 45062), (868, 22531)]