19766989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 22230720

約数和(自身を除く): 2463731

約数列:

[1, 11, 61, 89, 331, 671, 979, 3641, 5429, 20191, 29459, 59719, 222101, 324049, 1796999, 19766989]

約数ペア:

[(1, 19766989), (11, 1796999), (61, 324049), (89, 222101), (331, 59719), (671, 29459), (979, 20191), (3641, 5429)]