19902393

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18583}}^1$

素因数の和:18613

約数の個数: 24

約数和(自身を含む): 34789248

約数和(自身を除く): 14886855

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18583, 55749, 130081, 167247, 315911, 390243, 947733, 1170729, 2211377, 2843199, 6634131, 19902393]

約数ペア:

[(1, 19902393), (3, 6634131), (7, 2843199), (9, 2211377), (17, 1170729), (21, 947733), (51, 390243), (63, 315911), (119, 167247), (153, 130081), (357, 55749), (1071, 18583)]