20180930913

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{23369}}^1$

素因数の和:23471

約数の個数: 72

約数和(自身を含む): 35073041640

約数和(自身を除く): 14892110727

約数列:

[1, 3, 9, 11, 13, 33, 39, 61, 99, 117, 121, 143, 183, 363, 429, 549, 671, 793, 1089, 1287, 1573, 2013, 2379, 4719, 6039, 7137, 7381, 8723, 14157, 22143, 23369, 26169, 66429, 70107, 78507, 95953, 210321, 257059, 287859, 303797, 771177, 863577, 911391, 1425509, 2313531, 2734173, 2827649, 3341767, 4276527, 8482947, 10025301, 12829581, 15680599, 18531617, 25448841, 30075903, 36759437, 47041797, 55594851, 110278311, 141125391, 166784553, 172486589, 203847787, 330834933, 517459767, 611543361, 1552379301, 1834630083, 2242325657, 6726976971, 20180930913]

約数ペア:

[(1, 20180930913), (3, 6726976971), (9, 2242325657), (11, 1834630083), (13, 1552379301), (33, 611543361), (39, 517459767), (61, 330834933), (99, 203847787), (117, 172486589), (121, 166784553), (143, 141125391), (183, 110278311), (363, 55594851), (429, 47041797), (549, 36759437), (671, 30075903), (793, 25448841), (1089, 18531617), (1287, 15680599), (1573, 12829581), (2013, 10025301), (2379, 8482947), (4719, 4276527), (6039, 3341767), (7137, 2827649), (7381, 2734173), (8723, 2313531), (14157, 1425509), (22143, 911391), (23369, 863577), (26169, 771177), (66429, 303797), (70107, 287859), (78507, 257059), (95953, 210321)]