18992883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13263117

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2399, 2639, 7197, 7917, 16793, 31187, 50379, 69571, 93561, 208713, 218309, 486997, 654927, 904423, 1460991, 2713269, 6330961, 18992883]

約数ペア:

[(1, 18992883), (3, 6330961), (7, 2713269), (13, 1460991), (21, 904423), (29, 654927), (39, 486997), (87, 218309), (91, 208713), (203, 93561), (273, 69571), (377, 50379), (609, 31187), (1131, 16793), (2399, 7917), (2639, 7197)]