199891890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{201911}}^1$

素因数の和:201935

約数の個数: 48

約数和(自身を含む): 566968896

約数和(自身を除く): 367077006

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 201911, 403822, 605733, 1009555, 1211466, 1817199, 2019110, 2221021, 3028665, 3634398, 4442042, 6057330, 6663063, 9085995, 11105105, 13326126, 18171990, 19989189, 22210210, 33315315, 39978378, 66630630, 99945945, 199891890]

約数ペア:

[(1, 199891890), (2, 99945945), (3, 66630630), (5, 39978378), (6, 33315315), (9, 22210210), (10, 19989189), (11, 18171990), (15, 13326126), (18, 11105105), (22, 9085995), (30, 6663063), (33, 6057330), (45, 4442042), (55, 3634398), (66, 3028665), (90, 2221021), (99, 2019110), (110, 1817199), (165, 1211466), (198, 1009555), (330, 605733), (495, 403822), (990, 201911)]