19998374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47843}}^1$

素因数の和:47875

約数の個数: 16

約数和(自身を含む): 34447680

約数和(自身を除く): 14449306

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47843, 95686, 526273, 909017, 1052546, 1818034, 9999187, 19998374]

約数ペア:

[(1, 19998374), (2, 9999187), (11, 1818034), (19, 1052546), (22, 909017), (38, 526273), (209, 95686), (418, 47843)]