17821180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68543}}^1$

素因数の和:68565

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 22482692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68543, 137086, 274172, 342715, 685430, 891059, 1370860, 1782118, 3564236, 4455295, 8910590, 17821180]

約数ペア:

[(1, 17821180), (2, 8910590), (4, 4455295), (5, 3564236), (10, 1782118), (13, 1370860), (20, 891059), (26, 685430), (52, 342715), (65, 274172), (130, 137086), (260, 68543)]