19089915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 14026245

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 223, 439, 669, 1115, 1317, 2195, 2899, 3345, 5707, 6585, 8697, 14495, 17121, 28535, 43485, 85605, 97897, 293691, 489485, 1272661, 1468455, 3817983, 6363305, 19089915]

約数ペア:

[(1, 19089915), (3, 6363305), (5, 3817983), (13, 1468455), (15, 1272661), (39, 489485), (65, 293691), (195, 97897), (223, 85605), (439, 43485), (669, 28535), (1115, 17121), (1317, 14495), (2195, 8697), (2899, 6585), (3345, 5707)]