31878018

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 72067320

約数和(自身を除く): 40189302

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 173, 174, 261, 346, 353, 519, 522, 706, 1038, 1059, 1557, 2118, 3114, 3177, 5017, 6354, 10034, 10237, 15051, 20474, 30102, 30711, 45153, 61069, 61422, 90306, 92133, 122138, 183207, 184266, 366414, 549621, 1099242, 1771001, 3542002, 5313003, 10626006, 15939009, 31878018]

約数ペア:

[(1, 31878018), (2, 15939009), (3, 10626006), (6, 5313003), (9, 3542002), (18, 1771001), (29, 1099242), (58, 549621), (87, 366414), (173, 184266), (174, 183207), (261, 122138), (346, 92133), (353, 90306), (519, 61422), (522, 61069), (706, 45153), (1038, 30711), (1059, 30102), (1557, 20474), (2118, 15051), (3114, 10237), (3177, 10034), (5017, 6354)]