17219540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 39381888

約数和(自身を除く): 22162348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 643, 1030, 1286, 1339, 2060, 2572, 2678, 3215, 5356, 6430, 6695, 8359, 12860, 13390, 16718, 26780, 33436, 41795, 66229, 83590, 132458, 167180, 264916, 331145, 662290, 860977, 1324580, 1721954, 3443908, 4304885, 8609770, 17219540]

約数ペア:

[(1, 17219540), (2, 8609770), (4, 4304885), (5, 3443908), (10, 1721954), (13, 1324580), (20, 860977), (26, 662290), (52, 331145), (65, 264916), (103, 167180), (130, 132458), (206, 83590), (260, 66229), (412, 41795), (515, 33436), (643, 26780), (1030, 16718), (1286, 13390), (1339, 12860), (2060, 8359), (2572, 6695), (2678, 6430), (3215, 5356)]