19432540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7417}}^1$

素因数の和:7557

約数の個数: 24

約数和(自身を含む): 41125392

約数和(自身を除く): 21692852

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7417, 14834, 29668, 37085, 74170, 148340, 971627, 1943254, 3886508, 4858135, 9716270, 19432540]

約数ペア:

[(1, 19432540), (2, 9716270), (4, 4858135), (5, 3886508), (10, 1943254), (20, 971627), (131, 148340), (262, 74170), (524, 37085), (655, 29668), (1310, 14834), (2620, 7417)]