18237393

素因数分解:

$3^7\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 10101807

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 269, 279, 729, 807, 837, 2187, 2421, 2511, 7263, 7533, 8339, 21789, 22599, 25017, 65367, 67797, 75051, 196101, 225153, 588303, 675459, 2026377, 6079131, 18237393]

約数ペア:

[(1, 18237393), (3, 6079131), (9, 2026377), (27, 675459), (31, 588303), (81, 225153), (93, 196101), (243, 75051), (269, 67797), (279, 65367), (729, 25017), (807, 22599), (837, 21789), (2187, 8339), (2421, 7533), (2511, 7263)]