18278019

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 28126800

約数和(自身を除く): 9848781

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1201, 1691, 3603, 5073, 10809, 15219, 22819, 68457, 106889, 205371, 320667, 962001, 2030891, 6092673, 18278019]

約数ペア:

[(1, 18278019), (3, 6092673), (9, 2030891), (19, 962001), (57, 320667), (89, 205371), (171, 106889), (267, 68457), (801, 22819), (1201, 15219), (1691, 10809), (3603, 5073)]