18966628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 18458396

約数列:

[1, 2, 4, 17, 23, 34, 46, 67, 68, 92, 134, 181, 268, 362, 391, 724, 782, 1139, 1541, 1564, 2278, 3077, 3082, 4163, 4556, 6154, 6164, 8326, 12127, 12308, 16652, 24254, 26197, 48508, 52394, 70771, 104788, 141542, 206159, 278921, 283084, 412318, 557842, 824636, 1115684, 4741657, 9483314, 18966628]

約数ペア:

[(1, 18966628), (2, 9483314), (4, 4741657), (17, 1115684), (23, 824636), (34, 557842), (46, 412318), (67, 283084), (68, 278921), (92, 206159), (134, 141542), (181, 104788), (268, 70771), (362, 52394), (391, 48508), (724, 26197), (782, 24254), (1139, 16652), (1541, 12308), (1564, 12127), (2278, 8326), (3077, 6164), (3082, 6154), (4163, 4556)]