19721352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{117389}}^1$

素因数の和:117405

約数の個数: 32

約数和(自身を含む): 56347200

約数和(自身を除く): 36625848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 117389, 234778, 352167, 469556, 704334, 821723, 939112, 1408668, 1643446, 2465169, 2817336, 3286892, 4930338, 6573784, 9860676, 19721352]

約数ペア:

[(1, 19721352), (2, 9860676), (3, 6573784), (4, 4930338), (6, 3286892), (7, 2817336), (8, 2465169), (12, 1643446), (14, 1408668), (21, 939112), (24, 821723), (28, 704334), (42, 469556), (56, 352167), (84, 234778), (168, 117389)]