18697743

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10332657

約数列:

[1, 3, 9, 27, 31, 89, 93, 251, 267, 279, 753, 801, 837, 2259, 2403, 2759, 6777, 7781, 8277, 22339, 23343, 24831, 67017, 70029, 74493, 201051, 210087, 603153, 692509, 2077527, 6232581, 18697743]

約数ペア:

[(1, 18697743), (3, 6232581), (9, 2077527), (27, 692509), (31, 603153), (89, 210087), (93, 201051), (251, 74493), (267, 70029), (279, 67017), (753, 24831), (801, 23343), (837, 22339), (2259, 8277), (2403, 7781), (2759, 6777)]