19520908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 37384704

約数和(自身を除く): 17863796

約数列:

[1, 2, 4, 11, 22, 44, 487, 911, 974, 1822, 1948, 3644, 5357, 10021, 10714, 20042, 21428, 40084, 443657, 887314, 1774628, 4880227, 9760454, 19520908]

約数ペア:

[(1, 19520908), (2, 9760454), (4, 4880227), (11, 1774628), (22, 887314), (44, 443657), (487, 40084), (911, 21428), (974, 20042), (1822, 10714), (1948, 10021), (3644, 5357)]