19812858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26756742

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 461, 494, 551, 741, 754, 922, 1102, 1131, 1383, 1482, 1653, 2262, 2766, 3306, 5993, 7163, 8759, 11986, 13369, 14326, 17518, 17979, 21489, 26277, 26738, 35958, 40107, 42978, 52554, 80214, 113867, 173797, 227734, 254011, 341601, 347594, 508022, 521391, 683202, 762033, 1042782, 1524066, 3302143, 6604286, 9906429, 19812858]

約数ペア:

[(1, 19812858), (2, 9906429), (3, 6604286), (6, 3302143), (13, 1524066), (19, 1042782), (26, 762033), (29, 683202), (38, 521391), (39, 508022), (57, 347594), (58, 341601), (78, 254011), (87, 227734), (114, 173797), (174, 113867), (247, 80214), (377, 52554), (461, 42978), (494, 40107), (551, 35958), (741, 26738), (754, 26277), (922, 21489), (1102, 17979), (1131, 17518), (1383, 14326), (1482, 13369), (1653, 11986), (2262, 8759), (2766, 7163), (3306, 5993)]