18218478

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 37303200

約数和(自身を除く): 19084722

約数列:

[1, 2, 3, 6, 89, 109, 178, 218, 267, 313, 327, 534, 626, 654, 939, 1878, 9701, 19402, 27857, 29103, 34117, 55714, 58206, 68234, 83571, 102351, 167142, 204702, 3036413, 6072826, 9109239, 18218478]

約数ペア:

[(1, 18218478), (2, 9109239), (3, 6072826), (6, 3036413), (89, 204702), (109, 167142), (178, 102351), (218, 83571), (267, 68234), (313, 58206), (327, 55714), (534, 34117), (626, 29103), (654, 27857), (939, 19402), (1878, 9701)]