18318626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 11886814

約数列:

[1, 2, 23, 37, 46, 47, 74, 94, 229, 458, 851, 1081, 1702, 1739, 2162, 3478, 5267, 8473, 10534, 10763, 16946, 21526, 39997, 79994, 194879, 247549, 389758, 398231, 495098, 796462, 9159313, 18318626]

約数ペア:

[(1, 18318626), (2, 9159313), (23, 796462), (37, 495098), (46, 398231), (47, 389758), (74, 247549), (94, 194879), (229, 79994), (458, 39997), (851, 21526), (1081, 16946), (1702, 10763), (1739, 10534), (2162, 8473), (3478, 5267)]