18632757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 29473920

約数和(自身を除く): 10841163

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 257, 429, 507, 771, 1859, 2197, 2827, 3341, 5577, 6591, 8481, 10023, 24167, 36751, 43433, 72501, 110253, 130299, 477763, 564629, 1433289, 1693887, 6210919, 18632757]

約数ペア:

[(1, 18632757), (3, 6210919), (11, 1693887), (13, 1433289), (33, 564629), (39, 477763), (143, 130299), (169, 110253), (257, 72501), (429, 43433), (507, 36751), (771, 24167), (1859, 10023), (2197, 8481), (2827, 6591), (3341, 5577)]