18021445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 25256448

約数和(自身を除く): 7235003

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 347, 611, 799, 1105, 1735, 3055, 3995, 4511, 5899, 10387, 16309, 22555, 29495, 51935, 76687, 81545, 212017, 277253, 383435, 1060085, 1386265, 3604289, 18021445]

約数ペア:

[(1, 18021445), (5, 3604289), (13, 1386265), (17, 1060085), (47, 383435), (65, 277253), (85, 212017), (221, 81545), (235, 76687), (347, 51935), (611, 29495), (799, 22555), (1105, 16309), (1735, 10387), (3055, 5899), (3995, 4511)]