19262980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87559}}^1$

素因数の和:87579

約数の個数: 24

約数和(自身を含む): 44130240

約数和(自身を除く): 24867260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87559, 175118, 350236, 437795, 875590, 963149, 1751180, 1926298, 3852596, 4815745, 9631490, 19262980]

約数ペア:

[(1, 19262980), (2, 9631490), (4, 4815745), (5, 3852596), (10, 1926298), (11, 1751180), (20, 963149), (22, 875590), (44, 437795), (55, 350236), (110, 175118), (220, 87559)]