19838745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25933}}^1$

素因数の和:25961

約数の個数: 24

約数和(自身を含む): 36411336

約数和(自身を除く): 16572591

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25933, 77799, 129665, 233397, 388995, 440861, 1166985, 1322583, 2204305, 3967749, 6612915, 19838745]

約数ペア:

[(1, 19838745), (3, 6612915), (5, 3967749), (9, 2204305), (15, 1322583), (17, 1166985), (45, 440861), (51, 388995), (85, 233397), (153, 129665), (255, 77799), (765, 25933)]