18711016921

素因数分解:

${\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{1187}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 19818691200

約数和(自身を除く): 1107674279

約数列:

[1, 31, 47, 349, 961, 1187, 1457, 10819, 16403, 36797, 45167, 55789, 335389, 414263, 508493, 1140707, 1729459, 12842153, 15763283, 19470361, 53613229, 398106743, 603581191, 18711016921]

約数ペア:

[(1, 18711016921), (31, 603581191), (47, 398106743), (349, 53613229), (961, 19470361), (1187, 15763283), (1457, 12842153), (10819, 1729459), (16403, 1140707), (36797, 508493), (45167, 414263), (55789, 335389)]