17877990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45841}}^1$

素因数の和:45864

約数の個数: 32

約数和(自身を含む): 46208736

約数和(自身を除く): 28330746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 45841, 91682, 137523, 229205, 275046, 458410, 595933, 687615, 1191866, 1375230, 1787799, 2979665, 3575598, 5959330, 8938995, 17877990]

約数ペア:

[(1, 17877990), (2, 8938995), (3, 5959330), (5, 3575598), (6, 2979665), (10, 1787799), (13, 1375230), (15, 1191866), (26, 687615), (30, 595933), (39, 458410), (65, 275046), (78, 229205), (130, 137523), (195, 91682), (390, 45841)]