18638145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21799}}^1$

素因数の和:21829

約数の個数: 24

約数和(自身を含む): 34008000

約数和(自身を除く): 15369855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21799, 65397, 108995, 196191, 326985, 414181, 980955, 1242543, 2070905, 3727629, 6212715, 18638145]

約数ペア:

[(1, 18638145), (3, 6212715), (5, 3727629), (9, 2070905), (15, 1242543), (19, 980955), (45, 414181), (57, 326985), (95, 196191), (171, 108995), (285, 65397), (855, 21799)]