31689872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{104243}}^1$

素因数の和:104270

約数の個数: 20

約数和(自身を含む): 64631280

約数和(自身を除く): 32941408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 104243, 208486, 416972, 833944, 1667888, 1980617, 3961234, 7922468, 15844936, 31689872]

約数ペア:

[(1, 31689872), (2, 15844936), (4, 7922468), (8, 3961234), (16, 1980617), (19, 1667888), (38, 833944), (76, 416972), (152, 208486), (304, 104243)]