18908913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9043}}^1$

素因数の和:9104

約数の個数: 16

約数和(自身を含む): 27349056

約数和(自身を除く): 8440143

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 9043, 27129, 153731, 370763, 461193, 1112289, 6302971, 18908913]

約数ペア:

[(1, 18908913), (3, 6302971), (17, 1112289), (41, 461193), (51, 370763), (123, 153731), (697, 27129), (2091, 9043)]