19190665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 26812800

約数和(自身を除く): 7622135

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 379, 533, 779, 1235, 1895, 2665, 3895, 4927, 7201, 10127, 15539, 24635, 36005, 50635, 77695, 93613, 202007, 295241, 468065, 1010035, 1476205, 3838133, 19190665]

約数ペア:

[(1, 19190665), (5, 3838133), (13, 1476205), (19, 1010035), (41, 468065), (65, 295241), (95, 202007), (205, 93613), (247, 77695), (379, 50635), (533, 36005), (779, 24635), (1235, 15539), (1895, 10127), (2665, 7201), (3895, 4927)]