19989908

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 36106560

約数和(自身を除く): 16116652

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1193, 2386, 4189, 4772, 8378, 16756, 70387, 84703, 140774, 169406, 281548, 338812, 4997477, 9994954, 19989908]

約数ペア:

[(1, 19989908), (2, 9994954), (4, 4997477), (59, 338812), (71, 281548), (118, 169406), (142, 140774), (236, 84703), (284, 70387), (1193, 16756), (2386, 8378), (4189, 4772)]