19662736

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4003}}^1$

素因数の和:4318

約数の個数: 20

約数和(自身を含む): 38230192

約数和(自身を除く): 18567456

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4003, 4912, 8006, 16012, 32024, 64048, 1228921, 2457842, 4915684, 9831368, 19662736]

約数ペア:

[(1, 19662736), (2, 9831368), (4, 4915684), (8, 2457842), (16, 1228921), (307, 64048), (614, 32024), (1228, 16012), (2456, 8006), (4003, 4912)]