18611229

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9739}}^1$

素因数の和:9769

約数の個数: 24

約数和(自身を含む): 31090080

約数和(自身を除く): 12478851

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9739, 29217, 68173, 126607, 204519, 379821, 477211, 886249, 1431633, 2658747, 6203743, 18611229]

約数ペア:

[(1, 18611229), (3, 6203743), (7, 2658747), (13, 1431633), (21, 886249), (39, 477211), (49, 379821), (91, 204519), (147, 126607), (273, 68173), (637, 29217), (1911, 9739)]