18888129

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7019}}^1$

素因数の和:7061

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 11775231

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7019, 21057, 63171, 91247, 161437, 273741, 484311, 821223, 1452933, 2098681, 6296043, 18888129]

約数ペア:

[(1, 18888129), (3, 6296043), (9, 2098681), (13, 1452933), (23, 821223), (39, 484311), (69, 273741), (117, 161437), (207, 91247), (299, 63171), (897, 21057), (2691, 7019)]