18119660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69691}}^1$

素因数の和:69713

約数の個数: 24

約数和(自身を含む): 40978896

約数和(自身を除く): 22859236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69691, 139382, 278764, 348455, 696910, 905983, 1393820, 1811966, 3623932, 4529915, 9059830, 18119660]

約数ペア:

[(1, 18119660), (2, 9059830), (4, 4529915), (5, 3623932), (10, 1811966), (13, 1393820), (20, 905983), (26, 696910), (52, 348455), (65, 278764), (130, 139382), (260, 69691)]