18110385

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 32870376

約数和(自身を除く): 14759991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 461, 485, 873, 1383, 1455, 2305, 2619, 4149, 4365, 6915, 7857, 12447, 13095, 20745, 37341, 39285, 44717, 62235, 134151, 186705, 223585, 402453, 670755, 1207359, 2012265, 3622077, 6036795, 18110385]

約数ペア:

[(1, 18110385), (3, 6036795), (5, 3622077), (9, 2012265), (15, 1207359), (27, 670755), (45, 402453), (81, 223585), (97, 186705), (135, 134151), (291, 62235), (405, 44717), (461, 39285), (485, 37341), (873, 20745), (1383, 13095), (1455, 12447), (2305, 7857), (2619, 6915), (4149, 4365)]