18902997

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41183}}^1$

素因数の和:41209

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 10749483

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41183, 123549, 370647, 700111, 1111941, 2100333, 6300999, 18902997]

約数ペア:

[(1, 18902997), (3, 6300999), (9, 2100333), (17, 1111941), (27, 700111), (51, 370647), (153, 123549), (459, 41183)]