18380340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9283}}^1$

素因数の和:9309

約数の個数: 72

約数和(自身を含む): 60828768

約数和(自身を除く): 42448428

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, 9283, 18566, 27849, 37132, 46415, 55698, 83547, 92830, 102113, 111396, 139245, 167094, 185660, 204226, 278490, 306339, 334188, 408452, 417735, 510565, 556980, 612678, 835470, 919017, 1021130, 1225356, 1531695, 1670940, 1838034, 2042260, 3063390, 3676068, 4595085, 6126780, 9190170, 18380340]

約数ペア:

[(1, 18380340), (2, 9190170), (3, 6126780), (4, 4595085), (5, 3676068), (6, 3063390), (9, 2042260), (10, 1838034), (11, 1670940), (12, 1531695), (15, 1225356), (18, 1021130), (20, 919017), (22, 835470), (30, 612678), (33, 556980), (36, 510565), (44, 417735), (45, 408452), (55, 334188), (60, 306339), (66, 278490), (90, 204226), (99, 185660), (110, 167094), (132, 139245), (165, 111396), (180, 102113), (198, 92830), (220, 83547), (330, 55698), (396, 46415), (495, 37132), (660, 27849), (990, 18566), (1980, 9283)]