187660796

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{129959}}^1$

素因数の和:130001

約数の個数: 18

約数和(自身を含む): 346603320

約数和(自身を除く): 158942524

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 129959, 259918, 519836, 2469221, 4938442, 9876884, 46915199, 93830398, 187660796]

約数ペア:

[(1, 187660796), (2, 93830398), (4, 46915199), (19, 9876884), (38, 4938442), (76, 2469221), (361, 519836), (722, 259918), (1444, 129959)]