19438736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39191}}^1$

素因数の和:39230

約数の個数: 20

約数和(自身を含む): 38878464

約数和(自身を除く): 19439728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39191, 78382, 156764, 313528, 627056, 1214921, 2429842, 4859684, 9719368, 19438736]

約数ペア:

[(1, 19438736), (2, 9719368), (4, 4859684), (8, 2429842), (16, 1214921), (31, 627056), (62, 313528), (124, 156764), (248, 78382), (496, 39191)]