18659795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 29569536

約数和(自身を除く): 10909741

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2851, 6545, 14255, 19957, 31361, 48467, 99785, 156805, 219527, 242335, 339269, 533137, 1097635, 1696345, 2665685, 3731959, 18659795]

約数ペア:

[(1, 18659795), (5, 3731959), (7, 2665685), (11, 1696345), (17, 1097635), (35, 533137), (55, 339269), (77, 242335), (85, 219527), (119, 156805), (187, 99785), (385, 48467), (595, 31361), (935, 19957), (1309, 14255), (2851, 6545)]