19003088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 40080768

約数和(自身を除く): 21077680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 887, 1339, 1648, 1774, 2678, 3548, 5356, 7096, 10712, 11531, 14192, 21424, 23062, 46124, 91361, 92248, 182722, 184496, 365444, 730888, 1187693, 1461776, 2375386, 4750772, 9501544, 19003088]

約数ペア:

[(1, 19003088), (2, 9501544), (4, 4750772), (8, 2375386), (13, 1461776), (16, 1187693), (26, 730888), (52, 365444), (103, 184496), (104, 182722), (206, 92248), (208, 91361), (412, 46124), (824, 23062), (887, 21424), (1339, 14192), (1648, 11531), (1774, 10712), (2678, 7096), (3548, 5356)]