19986642742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2168219}}^1$

素因数の和:2168651

約数の個数: 16

約数和(自身を含む): 32783486400

約数和(自身を除く): 12796843658

約数列:

[1, 2, 11, 22, 419, 838, 4609, 9218, 2168219, 4336438, 23850409, 47700818, 908483761, 1816967522, 9993321371, 19986642742]

約数ペア:

[(1, 19986642742), (2, 9993321371), (11, 1816967522), (22, 908483761), (419, 47700818), (838, 23850409), (4609, 4336438), (9218, 2168219)]