18752656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 39606840

約数和(自身を除く): 20854184

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1013, 1157, 1424, 2026, 2314, 4052, 4628, 8104, 9256, 13169, 16208, 18512, 26338, 52676, 90157, 105352, 180314, 210704, 360628, 721256, 1172041, 1442512, 2344082, 4688164, 9376328, 18752656]

約数ペア:

[(1, 18752656), (2, 9376328), (4, 4688164), (8, 2344082), (13, 1442512), (16, 1172041), (26, 721256), (52, 360628), (89, 210704), (104, 180314), (178, 105352), (208, 90157), (356, 52676), (712, 26338), (1013, 18512), (1157, 16208), (1424, 13169), (2026, 9256), (2314, 8104), (4052, 4628)]