18921138

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{31223}}^1$

素因数の和:31329

約数の個数: 16

約数和(自身を含む): 38218176

約数和(自身を除く): 19297038

約数列:

[1, 2, 3, 6, 101, 202, 303, 606, 31223, 62446, 93669, 187338, 3153523, 6307046, 9460569, 18921138]

約数ペア:

[(1, 18921138), (2, 9460569), (3, 6307046), (6, 3153523), (101, 187338), (202, 93669), (303, 62446), (606, 31223)]