17980072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{204319}}^1$

素因数の和:204336

約数の個数: 16

約数和(自身を含む): 36777600

約数和(自身を除く): 18797528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 204319, 408638, 817276, 1634552, 2247509, 4495018, 8990036, 17980072]

約数ペア:

[(1, 17980072), (2, 8990036), (4, 4495018), (8, 2247509), (11, 1634552), (22, 817276), (44, 408638), (88, 204319)]