18079971

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9461}}^1$

素因数の和:9491

約数の個数: 24

約数和(自身を含む): 30202704

約数和(自身を除く): 12122733

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9461, 28383, 66227, 122993, 198681, 368979, 463589, 860951, 1390767, 2582853, 6026657, 18079971]

約数ペア:

[(1, 18079971), (3, 6026657), (7, 2582853), (13, 1390767), (21, 860951), (39, 463589), (49, 368979), (91, 198681), (147, 122993), (273, 66227), (637, 28383), (1911, 9461)]