18203619

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 29168640

約数和(自身を除く): 10965021

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 421, 497, 609, 1263, 1491, 2059, 2947, 6177, 8841, 12209, 14413, 29891, 36627, 43239, 85463, 89673, 209237, 256389, 627711, 866839, 2600517, 6067873, 18203619]

約数ペア:

[(1, 18203619), (3, 6067873), (7, 2600517), (21, 866839), (29, 627711), (71, 256389), (87, 209237), (203, 89673), (213, 85463), (421, 43239), (497, 36627), (609, 29891), (1263, 14413), (1491, 12209), (2059, 8841), (2947, 6177)]