19811696

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1201}}^1$

素因数の和:2240

約数の個数: 20

約数和(自身を含む): 38454384

約数和(自身を除く): 18642688

約数列:

[1, 2, 4, 8, 16, 1031, 1201, 2062, 2402, 4124, 4804, 8248, 9608, 16496, 19216, 1238231, 2476462, 4952924, 9905848, 19811696]

約数ペア:

[(1, 19811696), (2, 9905848), (4, 4952924), (8, 2476462), (16, 1238231), (1031, 19216), (1201, 16496), (2062, 9608), (2402, 8248), (4124, 4804)]