18858308

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 20467132

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 109, 148, 167, 218, 259, 334, 436, 518, 668, 763, 1036, 1169, 1526, 2338, 3052, 4033, 4676, 6179, 8066, 12358, 16132, 18203, 24716, 28231, 36406, 43253, 56462, 72812, 86506, 112924, 127421, 173012, 254842, 509684, 673511, 1347022, 2694044, 4714577, 9429154, 18858308]

約数ペア:

[(1, 18858308), (2, 9429154), (4, 4714577), (7, 2694044), (14, 1347022), (28, 673511), (37, 509684), (74, 254842), (109, 173012), (148, 127421), (167, 112924), (218, 86506), (259, 72812), (334, 56462), (436, 43253), (518, 36406), (668, 28231), (763, 24716), (1036, 18203), (1169, 16132), (1526, 12358), (2338, 8066), (3052, 6179), (4033, 4676)]