18618009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4621}}^1$

素因数の和:4720

約数の個数: 16

約数和(自身を含む): 26622720

約数和(自身を除く): 8004711

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 4621, 13863, 78557, 235671, 365059, 1095177, 6206003, 18618009]

約数ペア:

[(1, 18618009), (3, 6206003), (17, 1095177), (51, 365059), (79, 235671), (237, 78557), (1343, 13863), (4029, 4621)]