18159995

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 27537408

約数和(自身を除く): 9377413

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1327, 1955, 2737, 6635, 9289, 13685, 22559, 30521, 46445, 112795, 152605, 157913, 213647, 518857, 789565, 1068235, 2594285, 3631999, 18159995]

約数ペア:

[(1, 18159995), (5, 3631999), (7, 2594285), (17, 1068235), (23, 789565), (35, 518857), (85, 213647), (115, 157913), (119, 152605), (161, 112795), (391, 46445), (595, 30521), (805, 22559), (1327, 13685), (1955, 9289), (2737, 6635)]