19641394

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 30256128

約数和(自身を除く): 10614734

約数列:

[1, 2, 47, 94, 223, 446, 937, 1874, 10481, 20962, 44039, 88078, 208951, 417902, 9820697, 19641394]

約数ペア:

[(1, 19641394), (2, 9820697), (47, 417902), (94, 208951), (223, 88078), (446, 44039), (937, 20962), (1874, 10481)]