18492747

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9677}}^1$

素因数の和:9707

約数の個数: 24

約数和(自身を含む): 30892176

約数和(自身を除く): 12399429

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9677, 29031, 67739, 125801, 203217, 377403, 474173, 880607, 1422519, 2641821, 6164249, 18492747]

約数ペア:

[(1, 18492747), (3, 6164249), (7, 2641821), (13, 1422519), (21, 880607), (39, 474173), (49, 377403), (91, 203217), (147, 125801), (273, 67739), (637, 29031), (1911, 9677)]