18881190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 49390848

約数和(自身を除く): 30509658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 193, 386, 579, 965, 1087, 1158, 1737, 1930, 2174, 2895, 3261, 3474, 5435, 5790, 6522, 8685, 9783, 10870, 16305, 17370, 19566, 32610, 48915, 97830, 209791, 419582, 629373, 1048955, 1258746, 1888119, 2097910, 3146865, 3776238, 6293730, 9440595, 18881190]

約数ペア:

[(1, 18881190), (2, 9440595), (3, 6293730), (5, 3776238), (6, 3146865), (9, 2097910), (10, 1888119), (15, 1258746), (18, 1048955), (30, 629373), (45, 419582), (90, 209791), (193, 97830), (386, 48915), (579, 32610), (965, 19566), (1087, 17370), (1158, 16305), (1737, 10870), (1930, 9783), (2174, 8685), (2895, 6522), (3261, 5790), (3474, 5435)]