11718820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{30839}}^1$

素因数の和:30867

約数の個数: 24

約数和(自身を含む): 25905600

約数和(自身を除く): 14186780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 30839, 61678, 123356, 154195, 308390, 585941, 616780, 1171882, 2343764, 2929705, 5859410, 11718820]

約数ペア:

[(1, 11718820), (2, 5859410), (4, 2929705), (5, 2343764), (10, 1171882), (19, 616780), (20, 585941), (38, 308390), (76, 154195), (95, 123356), (190, 61678), (380, 30839)]