18773860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19157}}^1$

素因数の和:19180

約数の個数: 36

約数和(自身を含む): 45864252

約数和(自身を除く): 27090392

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19157, 38314, 76628, 95785, 134099, 191570, 268198, 383140, 536396, 670495, 938693, 1340990, 1877386, 2681980, 3754772, 4693465, 9386930, 18773860]

約数ペア:

[(1, 18773860), (2, 9386930), (4, 4693465), (5, 3754772), (7, 2681980), (10, 1877386), (14, 1340990), (20, 938693), (28, 670495), (35, 536396), (49, 383140), (70, 268198), (98, 191570), (140, 134099), (196, 95785), (245, 76628), (490, 38314), (980, 19157)]