18191816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4127}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 18960184

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4127, 4408, 8254, 16508, 33016, 78413, 119683, 156826, 239366, 313652, 478732, 627304, 957464, 2273977, 4547954, 9095908, 18191816]

約数ペア:

[(1, 18191816), (2, 9095908), (4, 4547954), (8, 2273977), (19, 957464), (29, 627304), (38, 478732), (58, 313652), (76, 239366), (116, 156826), (152, 119683), (232, 78413), (551, 33016), (1102, 16508), (2204, 8254), (4127, 4408)]