19546472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 40154400

約数和(自身を除く): 20607928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 571, 778, 1142, 1556, 2284, 3112, 4279, 4568, 6281, 8558, 12562, 17116, 25124, 34232, 50248, 222119, 444238, 888476, 1776952, 2443309, 4886618, 9773236, 19546472]

約数ペア:

[(1, 19546472), (2, 9773236), (4, 4886618), (8, 2443309), (11, 1776952), (22, 888476), (44, 444238), (88, 222119), (389, 50248), (571, 34232), (778, 25124), (1142, 17116), (1556, 12562), (2284, 8558), (3112, 6281), (4279, 4568)]