18784539358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{937}}^1\times {\mathrm{1789}}^1$

素因数の和:3172

約数の個数: 32

約数和(自身を含む): 30464138880

約数和(自身を除く): 11679599522

約数列:

[1, 2, 13, 26, 431, 862, 937, 1789, 1874, 3578, 5603, 11206, 12181, 23257, 24362, 46514, 403847, 771059, 807694, 1542118, 1676293, 3352586, 5250011, 10023767, 10500022, 20047534, 21791809, 43583618, 722482283, 1444964566, 9392269679, 18784539358]

約数ペア:

[(1, 18784539358), (2, 9392269679), (13, 1444964566), (26, 722482283), (431, 43583618), (862, 21791809), (937, 20047534), (1789, 10500022), (1874, 10023767), (3578, 5250011), (5603, 3352586), (11206, 1676293), (12181, 1542118), (23257, 807694), (24362, 771059), (46514, 403847)]