18527860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71261}}^1$

素因数の和:71283

約数の個数: 24

約数和(自身を含む): 41902056

約数和(自身を除く): 23374196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71261, 142522, 285044, 356305, 712610, 926393, 1425220, 1852786, 3705572, 4631965, 9263930, 18527860]

約数ペア:

[(1, 18527860), (2, 9263930), (4, 4631965), (5, 3705572), (10, 1852786), (13, 1425220), (20, 926393), (26, 712610), (52, 356305), (65, 285044), (130, 142522), (260, 71261)]