18451620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9319}}^1$

素因数の和:9345

約数の個数: 72

約数和(自身を含む): 61064640

約数和(自身を除く): 42613020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9319, 18638, 27957, 37276, 46595, 55914, 83871, 93190, 102509, 111828, 139785, 167742, 186380, 205018, 279570, 307527, 335484, 410036, 419355, 512545, 559140, 615054, 838710, 922581, 1025090, 1230108, 1537635, 1677420, 1845162, 2050180, 3075270, 3690324, 4612905, 6150540, 9225810, 18451620]

約数ペア:

[(1, 18451620), (2, 9225810), (3, 6150540), (4, 4612905), (5, 3690324), (6, 3075270), (9, 2050180), (10, 1845162), (11, 1677420), (12, 1537635), (15, 1230108), (18, 1025090), (20, 922581), (22, 838710), (30, 615054), (33, 559140), (36, 512545), (44, 419355), (45, 410036), (55, 335484), (60, 307527), (66, 279570), (90, 205018), (99, 186380), (110, 167742), (132, 139785), (165, 111828), (180, 102509), (198, 93190), (220, 83871), (330, 55914), (396, 46595), (495, 37276), (660, 27957), (990, 18638), (1980, 9319)]