18657864

素因数分解:

$2^3\times 3^4\times {\mathrm{28793}}^1$

素因数の和:28811

約数の個数: 40

約数和(自身を含む): 52261110

約数和(自身を除く): 33603246

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 28793, 57586, 86379, 115172, 172758, 230344, 259137, 345516, 518274, 691032, 777411, 1036548, 1554822, 2073096, 2332233, 3109644, 4664466, 6219288, 9328932, 18657864]

約数ペア:

[(1, 18657864), (2, 9328932), (3, 6219288), (4, 4664466), (6, 3109644), (8, 2332233), (9, 2073096), (12, 1554822), (18, 1036548), (24, 777411), (27, 691032), (36, 518274), (54, 345516), (72, 259137), (81, 230344), (108, 172758), (162, 115172), (216, 86379), (324, 57586), (648, 28793)]