18230386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 12096014

約数列:

[1, 2, 19, 29, 38, 58, 71, 142, 233, 466, 551, 1102, 1349, 2059, 2698, 4118, 4427, 6757, 8854, 13514, 16543, 33086, 39121, 78242, 128383, 256766, 314317, 479747, 628634, 959494, 9115193, 18230386]

約数ペア:

[(1, 18230386), (2, 9115193), (19, 959494), (29, 628634), (38, 479747), (58, 314317), (71, 256766), (142, 128383), (233, 78242), (466, 39121), (551, 33086), (1102, 16543), (1349, 13514), (2059, 8854), (2698, 6757), (4118, 4427)]