18690012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 52132080

約数和(自身を除く): 33442068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 132, 198, 218, 327, 396, 433, 436, 654, 866, 981, 1199, 1299, 1308, 1732, 1962, 2398, 2598, 3597, 3897, 3924, 4763, 4796, 5196, 7194, 7794, 9526, 10791, 14289, 14388, 15588, 19052, 21582, 28578, 42867, 43164, 47197, 57156, 85734, 94394, 141591, 171468, 188788, 283182, 424773, 519167, 566364, 849546, 1038334, 1557501, 1699092, 2076668, 3115002, 4672503, 6230004, 9345006, 18690012]

約数ペア:

[(1, 18690012), (2, 9345006), (3, 6230004), (4, 4672503), (6, 3115002), (9, 2076668), (11, 1699092), (12, 1557501), (18, 1038334), (22, 849546), (33, 566364), (36, 519167), (44, 424773), (66, 283182), (99, 188788), (109, 171468), (132, 141591), (198, 94394), (218, 85734), (327, 57156), (396, 47197), (433, 43164), (436, 42867), (654, 28578), (866, 21582), (981, 19052), (1199, 15588), (1299, 14388), (1308, 14289), (1732, 10791), (1962, 9526), (2398, 7794), (2598, 7194), (3597, 5196), (3897, 4796), (3924, 4763)]