18550871495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{166219}}^1$

素因数の和:166355

約数の個数: 32

約数和(自身を含む): 25635113280

約数和(自身を除く): 7084241785

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 505, 1105, 1313, 1717, 6565, 8585, 22321, 111605, 166219, 831095, 2160847, 2825723, 10804235, 14128615, 16788119, 36734399, 83940595, 183671995, 218245547, 285398023, 1091227735, 1426990115, 3710174299, 18550871495]

約数ペア:

[(1, 18550871495), (5, 3710174299), (13, 1426990115), (17, 1091227735), (65, 285398023), (85, 218245547), (101, 183671995), (221, 83940595), (505, 36734399), (1105, 16788119), (1313, 14128615), (1717, 10804235), (6565, 2825723), (8585, 2160847), (22321, 831095), (111605, 166219)]