18044972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1670

約数の個数: 36

約数和(自身を含む): 36241968

約数和(自身を除く): 18196996

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 1621, 2783, 3242, 5566, 6484, 11132, 17831, 35662, 37283, 71324, 74566, 149132, 196141, 392282, 410113, 784564, 820226, 1640452, 4511243, 9022486, 18044972]

約数ペア:

[(1, 18044972), (2, 9022486), (4, 4511243), (11, 1640452), (22, 820226), (23, 784564), (44, 410113), (46, 392282), (92, 196141), (121, 149132), (242, 74566), (253, 71324), (484, 37283), (506, 35662), (1012, 17831), (1621, 11132), (2783, 6484), (3242, 5566)]