18940503969

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{4621}}^1$

素因数の和:4803

約数の個数: 64

約数和(自身を含む): 29817446400

約数和(自身を除く): 10876942431

約数列:

[1, 3, 9, 27, 31, 59, 83, 93, 177, 249, 279, 531, 747, 837, 1593, 1829, 2241, 2573, 4621, 4897, 5487, 7719, 13863, 14691, 16461, 23157, 41589, 44073, 49383, 69471, 124767, 132219, 143251, 151807, 272639, 383543, 429753, 455421, 817917, 1150629, 1289259, 1366263, 2453751, 3451887, 3867777, 4098789, 7361253, 8451809, 10355661, 11889833, 22629037, 25355427, 35669499, 67887111, 76066281, 107008497, 203661333, 228198843, 321025491, 610983999, 701500147, 2104500441, 6313501323, 18940503969]

約数ペア:

[(1, 18940503969), (3, 6313501323), (9, 2104500441), (27, 701500147), (31, 610983999), (59, 321025491), (83, 228198843), (93, 203661333), (177, 107008497), (249, 76066281), (279, 67887111), (531, 35669499), (747, 25355427), (837, 22629037), (1593, 11889833), (1829, 10355661), (2241, 8451809), (2573, 7361253), (4621, 4098789), (4897, 3867777), (5487, 3451887), (7719, 2453751), (13863, 1366263), (14691, 1289259), (16461, 1150629), (23157, 817917), (41589, 455421), (44073, 429753), (49383, 383543), (69471, 272639), (124767, 151807), (132219, 143251)]