19612721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 1555279

約数列:

[1, 23, 59, 97, 149, 1357, 2231, 3427, 5723, 8791, 14453, 131629, 202193, 332419, 852727, 19612721]

約数ペア:

[(1, 19612721), (23, 852727), (59, 332419), (97, 202193), (149, 131629), (1357, 14453), (2231, 8791), (3427, 5723)]