19862540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6577}}^1$

素因数の和:6737

約数の個数: 24

約数和(自身を含む): 41993952

約数和(自身を除く): 22131412

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6577, 13154, 26308, 32885, 65770, 131540, 993127, 1986254, 3972508, 4965635, 9931270, 19862540]

約数ペア:

[(1, 19862540), (2, 9931270), (4, 4965635), (5, 3972508), (10, 1986254), (20, 993127), (151, 131540), (302, 65770), (604, 32885), (755, 26308), (1510, 13154), (3020, 6577)]