18899205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5141

約数の個数: 32

約数和(自身を含む): 34285440

約数和(自身を除く): 15386235

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5101, 15303, 25505, 66313, 76515, 96919, 198939, 290757, 331565, 484595, 994695, 1259947, 1453785, 3779841, 6299735, 18899205]

約数ペア:

[(1, 18899205), (3, 6299735), (5, 3779841), (13, 1453785), (15, 1259947), (19, 994695), (39, 484595), (57, 331565), (65, 290757), (95, 198939), (195, 96919), (247, 76515), (285, 66313), (741, 25505), (1235, 15303), (3705, 5101)]