18934497

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 29589924

約数和(自身を除く): 10655427

約数列:

[1, 3, 9, 23, 41, 69, 97, 123, 207, 291, 369, 529, 873, 943, 1587, 2231, 2829, 3977, 4761, 6693, 8487, 11931, 20079, 21689, 35793, 51313, 65067, 91471, 153939, 195201, 274413, 461817, 823239, 2103833, 6311499, 18934497]

約数ペア:

[(1, 18934497), (3, 6311499), (9, 2103833), (23, 823239), (41, 461817), (69, 274413), (97, 195201), (123, 153939), (207, 91471), (291, 65067), (369, 51313), (529, 35793), (873, 21689), (943, 20079), (1587, 11931), (2231, 8487), (2829, 6693), (3977, 4761)]