18819697

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 23030784

約数和(自身を除く): 4211087

約数列:

[1, 13, 17, 31, 41, 67, 221, 403, 527, 533, 697, 871, 1139, 1271, 2077, 2747, 6851, 9061, 14807, 16523, 21607, 27001, 35309, 35711, 46699, 85157, 280891, 459017, 607087, 1107041, 1447669, 18819697]

約数ペア:

[(1, 18819697), (13, 1447669), (17, 1107041), (31, 607087), (41, 459017), (67, 280891), (221, 85157), (403, 46699), (527, 35711), (533, 35309), (697, 27001), (871, 21607), (1139, 16523), (1271, 14807), (2077, 9061), (2747, 6851)]