19490076

素因数分解:

$2^2\times 3^2\times {\mathrm{541391}}^1$

素因数の和:541401

約数の個数: 18

約数和(自身を含む): 49266672

約数和(自身を除く): 29776596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541391, 1082782, 1624173, 2165564, 3248346, 4872519, 6496692, 9745038, 19490076]

約数ペア:

[(1, 19490076), (2, 9745038), (3, 6496692), (4, 4872519), (6, 3248346), (9, 2165564), (12, 1624173), (18, 1082782), (36, 541391)]