18498544

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 37153872

約数和(自身を除く): 18655328

約数列:

[1, 2, 4, 8, 16, 41, 82, 163, 164, 173, 326, 328, 346, 652, 656, 692, 1304, 1384, 2608, 2768, 6683, 7093, 13366, 14186, 26732, 28199, 28372, 53464, 56398, 56744, 106928, 112796, 113488, 225592, 451184, 1156159, 2312318, 4624636, 9249272, 18498544]

約数ペア:

[(1, 18498544), (2, 9249272), (4, 4624636), (8, 2312318), (16, 1156159), (41, 451184), (82, 225592), (163, 113488), (164, 112796), (173, 106928), (326, 56744), (328, 56398), (346, 53464), (652, 28372), (656, 28199), (692, 26732), (1304, 14186), (1384, 13366), (2608, 7093), (2768, 6683)]