18316905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 13046295

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 659, 1635, 1853, 1977, 3295, 5559, 9265, 9885, 11203, 27795, 33609, 56015, 71831, 168045, 215493, 359155, 1077465, 1221127, 3663381, 6105635, 18316905]

約数ペア:

[(1, 18316905), (3, 6105635), (5, 3663381), (15, 1221127), (17, 1077465), (51, 359155), (85, 215493), (109, 168045), (255, 71831), (327, 56015), (545, 33609), (659, 27795), (1635, 11203), (1853, 9885), (1977, 9265), (3295, 5559)]