19899070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27259}}^1$

素因数の和:27339

約数の個数: 16

約数和(自身を含む): 36310320

約数和(自身を除く): 16411250

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 27259, 54518, 136295, 272590, 1989907, 3979814, 9949535, 19899070]

約数ペア:

[(1, 19899070), (2, 9949535), (5, 3979814), (10, 1989907), (73, 272590), (146, 136295), (365, 54518), (730, 27259)]