18372495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 31458240

約数和(自身を除く): 13085745

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 661, 1635, 1853, 1983, 3305, 5559, 9265, 9915, 11237, 27795, 33711, 56185, 72049, 168555, 216147, 360245, 1080735, 1224833, 3674499, 6124165, 18372495]

約数ペア:

[(1, 18372495), (3, 6124165), (5, 3674499), (15, 1224833), (17, 1080735), (51, 360245), (85, 216147), (109, 168555), (255, 72049), (327, 56185), (545, 33711), (661, 27795), (1635, 11237), (1853, 9915), (1983, 9265), (3305, 5559)]