19272688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63397}}^1$

素因数の和:63424

約数の個数: 20

約数和(自身を含む): 39306760

約数和(自身を除く): 20034072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63397, 126794, 253588, 507176, 1014352, 1204543, 2409086, 4818172, 9636344, 19272688]

約数ペア:

[(1, 19272688), (2, 9636344), (4, 4818172), (8, 2409086), (16, 1204543), (19, 1014352), (38, 507176), (76, 253588), (152, 126794), (304, 63397)]