19538816

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13877}}^1$

素因数の和:13902

約数の個数: 32

約数和(自身を含む): 42466680

約数和(自身を除く): 22927864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 13877, 27754, 55508, 111016, 152647, 222032, 305294, 444064, 610588, 888128, 1221176, 1776256, 2442352, 4884704, 9769408, 19538816]

約数ペア:

[(1, 19538816), (2, 9769408), (4, 4884704), (8, 2442352), (11, 1776256), (16, 1221176), (22, 888128), (32, 610588), (44, 444064), (64, 305294), (88, 222032), (128, 152647), (176, 111016), (352, 55508), (704, 27754), (1408, 13877)]