17538820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5189}}^1$

素因数の和:5224

約数の個数: 36

約数和(自身を含む): 39890340

約数和(自身を除く): 22351520

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5189, 10378, 20756, 25945, 51890, 67457, 103780, 134914, 269828, 337285, 674570, 876941, 1349140, 1753882, 3507764, 4384705, 8769410, 17538820]

約数ペア:

[(1, 17538820), (2, 8769410), (4, 4384705), (5, 3507764), (10, 1753882), (13, 1349140), (20, 876941), (26, 674570), (52, 337285), (65, 269828), (130, 134914), (169, 103780), (260, 67457), (338, 51890), (676, 25945), (845, 20756), (1690, 10378), (3380, 5189)]