19504496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110821}}^1$

素因数の和:110840

約数の個数: 20

約数和(自身を含む): 41225784

約数和(自身を除く): 21721288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110821, 221642, 443284, 886568, 1219031, 1773136, 2438062, 4876124, 9752248, 19504496]

約数ペア:

[(1, 19504496), (2, 9752248), (4, 4876124), (8, 2438062), (11, 1773136), (16, 1219031), (22, 886568), (44, 443284), (88, 221642), (176, 110821)]