18112810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 15417302

約数列:

[1, 2, 5, 10, 71, 97, 142, 194, 263, 355, 485, 526, 710, 970, 1315, 2630, 6887, 13774, 18673, 25511, 34435, 37346, 51022, 68870, 93365, 127555, 186730, 255110, 1811281, 3622562, 9056405, 18112810]

約数ペア:

[(1, 18112810), (2, 9056405), (5, 3622562), (10, 1811281), (71, 255110), (97, 186730), (142, 127555), (194, 93365), (263, 68870), (355, 51022), (485, 37346), (526, 34435), (710, 25511), (970, 18673), (1315, 13774), (2630, 6887)]