18722790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10949}}^1$

素因数の和:10981

約数の個数: 48

約数和(自身を含む): 51246000

約数和(自身を除く): 32523210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 10949, 21898, 32847, 54745, 65694, 98541, 109490, 164235, 197082, 208031, 328470, 416062, 492705, 624093, 985410, 1040155, 1248186, 1872279, 2080310, 3120465, 3744558, 6240930, 9361395, 18722790]

約数ペア:

[(1, 18722790), (2, 9361395), (3, 6240930), (5, 3744558), (6, 3120465), (9, 2080310), (10, 1872279), (15, 1248186), (18, 1040155), (19, 985410), (30, 624093), (38, 492705), (45, 416062), (57, 328470), (90, 208031), (95, 197082), (114, 164235), (171, 109490), (190, 98541), (285, 65694), (342, 54745), (570, 32847), (855, 21898), (1710, 10949)]