19984242

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{40129}}^1$

素因数の和:40217

約数の個数: 16

約数和(自身を含む): 40451040

約数和(自身を除く): 20466798

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 40129, 80258, 120387, 240774, 3330707, 6661414, 9992121, 19984242]

約数ペア:

[(1, 19984242), (2, 9992121), (3, 6661414), (6, 3330707), (83, 240774), (166, 120387), (249, 80258), (498, 40129)]