19972076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2113}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 37290960

約数和(自身を除く): 17318884

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2113, 2363, 4226, 4726, 8452, 9452, 35921, 71842, 143684, 293707, 587414, 1174828, 4993019, 9986038, 19972076]

約数ペア:

[(1, 19972076), (2, 9986038), (4, 4993019), (17, 1174828), (34, 587414), (68, 293707), (139, 143684), (278, 71842), (556, 35921), (2113, 9452), (2363, 8452), (4226, 4726)]