31310138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{11287}}^1$

素因数の和:11381

約数の個数: 16

約数和(自身を含む): 50118720

約数和(自身を除く): 18808582

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 11287, 22574, 214453, 428906, 823951, 1647902, 15655069, 31310138]

約数ペア:

[(1, 31310138), (2, 15655069), (19, 1647902), (38, 823951), (73, 428906), (146, 214453), (1387, 22574), (2774, 11287)]