19963406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2633}}^1$

素因数の和:2875

約数の個数: 16

約数和(自身を含む): 31860864

約数和(自身を除く): 11897458

約数列:

[1, 2, 17, 34, 223, 446, 2633, 3791, 5266, 7582, 44761, 89522, 587159, 1174318, 9981703, 19963406]

約数ペア:

[(1, 19963406), (2, 9981703), (17, 1174318), (34, 587159), (223, 89522), (446, 44761), (2633, 7582), (3791, 5266)]