19884135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77977}}^1$

素因数の和:78002

約数の個数: 16

約数和(自身を含む): 33686496

約数和(自身を除く): 13802361

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77977, 233931, 389885, 1169655, 1325609, 3976827, 6628045, 19884135]

約数ペア:

[(1, 19884135), (3, 6628045), (5, 3976827), (15, 1325609), (17, 1169655), (51, 389885), (85, 233931), (255, 77977)]