18988365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 33399936

約数和(自身を除く): 14411571

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 733, 785, 1727, 2199, 2355, 3665, 5181, 8063, 8635, 10995, 24189, 25905, 40315, 115081, 120945, 345243, 575405, 1265891, 1726215, 3797673, 6329455, 18988365]

約数ペア:

[(1, 18988365), (3, 6329455), (5, 3797673), (11, 1726215), (15, 1265891), (33, 575405), (55, 345243), (157, 120945), (165, 115081), (471, 40315), (733, 25905), (785, 24189), (1727, 10995), (2199, 8635), (2355, 8063), (3665, 5181)]