18557072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61043}}^1$

素因数の和:61070

約数の個数: 20

約数和(自身を含む): 37847280

約数和(自身を除く): 19290208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61043, 122086, 244172, 488344, 976688, 1159817, 2319634, 4639268, 9278536, 18557072]

約数ペア:

[(1, 18557072), (2, 9278536), (4, 4639268), (8, 2319634), (16, 1159817), (19, 976688), (38, 488344), (76, 244172), (152, 122086), (304, 61043)]