193456420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{53441}}^1$

素因数の和:53631

約数の個数: 24

約数和(自身を含む): 408510648

約数和(自身を除く): 215054228

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 53441, 106882, 213764, 267205, 534410, 1068820, 9672821, 19345642, 38691284, 48364105, 96728210, 193456420]

約数ペア:

[(1, 193456420), (2, 96728210), (4, 48364105), (5, 38691284), (10, 19345642), (20, 9672821), (181, 1068820), (362, 534410), (724, 267205), (905, 213764), (1810, 106882), (3620, 53441)]