19638648

素因数分解:

$2^3\times 3^2\times {\mathrm{272759}}^1$

素因数の和:272771

約数の個数: 24

約数和(自身を含む): 53188200

約数和(自身を除く): 33549552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 272759, 545518, 818277, 1091036, 1636554, 2182072, 2454831, 3273108, 4909662, 6546216, 9819324, 19638648]

約数ペア:

[(1, 19638648), (2, 9819324), (3, 6546216), (4, 4909662), (6, 3273108), (8, 2454831), (9, 2182072), (12, 1636554), (18, 1091036), (24, 818277), (36, 545518), (72, 272759)]