18939396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9803}}^1$

素因数の和:9840

約数の個数: 48

約数和(自身を含む): 52706304

約数和(自身を除く): 33766908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 9803, 19606, 29409, 39212, 58818, 68621, 117636, 137242, 205863, 225469, 274484, 411726, 450938, 676407, 823452, 901876, 1352814, 1578283, 2705628, 3156566, 4734849, 6313132, 9469698, 18939396]

約数ペア:

[(1, 18939396), (2, 9469698), (3, 6313132), (4, 4734849), (6, 3156566), (7, 2705628), (12, 1578283), (14, 1352814), (21, 901876), (23, 823452), (28, 676407), (42, 450938), (46, 411726), (69, 274484), (84, 225469), (92, 205863), (138, 137242), (161, 117636), (276, 68621), (322, 58818), (483, 39212), (644, 29409), (966, 19606), (1932, 9803)]