18870615

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2671}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 32929728

約数和(自身を除く): 14059113

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2671, 7065, 8013, 13355, 24039, 40065, 120195, 419347, 1258041, 2096735, 3774123, 6290205, 18870615]

約数ペア:

[(1, 18870615), (3, 6290205), (5, 3774123), (9, 2096735), (15, 1258041), (45, 419347), (157, 120195), (471, 40065), (785, 24039), (1413, 13355), (2355, 8013), (2671, 7065)]