18608565

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 12184395

約数列:

[1, 3, 5, 15, 53, 89, 159, 263, 265, 267, 445, 789, 795, 1315, 1335, 3945, 4717, 13939, 14151, 23407, 23585, 41817, 69695, 70221, 70755, 117035, 209085, 351105, 1240571, 3721713, 6202855, 18608565]

約数ペア:

[(1, 18608565), (3, 6202855), (5, 3721713), (15, 1240571), (53, 351105), (89, 209085), (159, 117035), (263, 70755), (265, 70221), (267, 69695), (445, 41817), (789, 23585), (795, 23407), (1315, 14151), (1335, 13939), (3945, 4717)]