18406612

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 38389120

約数和(自身を除く): 19982508

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 109, 148, 163, 218, 259, 326, 436, 518, 652, 763, 1036, 1141, 1526, 2282, 3052, 4033, 4564, 6031, 8066, 12062, 16132, 17767, 24124, 28231, 35534, 42217, 56462, 71068, 84434, 112924, 124369, 168868, 248738, 497476, 657379, 1314758, 2629516, 4601653, 9203306, 18406612]

約数ペア:

[(1, 18406612), (2, 9203306), (4, 4601653), (7, 2629516), (14, 1314758), (28, 657379), (37, 497476), (74, 248738), (109, 168868), (148, 124369), (163, 112924), (218, 84434), (259, 71068), (326, 56462), (436, 42217), (518, 35534), (652, 28231), (763, 24124), (1036, 17767), (1141, 16132), (1526, 12062), (2282, 8066), (3052, 6031), (4033, 4564)]