18733923

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17791}}^1$

素因数の和:17816

約数の個数: 20

約数和(自身を含む): 30139648

約数和(自身を除く): 11405725

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17791, 53373, 160119, 231283, 480357, 693849, 1441071, 2081547, 6244641, 18733923]

約数ペア:

[(1, 18733923), (3, 6244641), (9, 2081547), (13, 1441071), (27, 693849), (39, 480357), (81, 231283), (117, 160119), (351, 53373), (1053, 17791)]