18440870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 38244096

約数和(自身を除く): 19803226

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2011, 4022, 4585, 9170, 10055, 14077, 20110, 28154, 70385, 140770, 263441, 526882, 1317205, 1844087, 2634410, 3688174, 9220435, 18440870]

約数ペア:

[(1, 18440870), (2, 9220435), (5, 3688174), (7, 2634410), (10, 1844087), (14, 1317205), (35, 526882), (70, 263441), (131, 140770), (262, 70385), (655, 28154), (917, 20110), (1310, 14077), (1834, 10055), (2011, 9170), (4022, 4585)]