18526617

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 10826343

約数列:

[1, 3, 9, 17, 27, 51, 153, 181, 223, 459, 543, 669, 1629, 2007, 3077, 3791, 4887, 6021, 9231, 11373, 27693, 34119, 40363, 83079, 102357, 121089, 363267, 686171, 1089801, 2058513, 6175539, 18526617]

約数ペア:

[(1, 18526617), (3, 6175539), (9, 2058513), (17, 1089801), (27, 686171), (51, 363267), (153, 121089), (181, 102357), (223, 83079), (459, 40363), (543, 34119), (669, 27693), (1629, 11373), (2007, 9231), (3077, 6021), (3791, 4887)]