18127197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 13322403

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 419, 437, 627, 759, 1257, 1311, 1881, 2277, 3771, 3933, 4609, 4807, 7961, 9637, 13827, 14421, 23883, 28911, 41481, 43263, 71649, 86733, 87571, 106007, 183103, 262713, 318021, 549309, 788139, 954063, 1647927, 2014133, 6042399, 18127197]

約数ペア:

[(1, 18127197), (3, 6042399), (9, 2014133), (11, 1647927), (19, 954063), (23, 788139), (33, 549309), (57, 318021), (69, 262713), (99, 183103), (171, 106007), (207, 87571), (209, 86733), (253, 71649), (419, 43263), (437, 41481), (627, 28911), (759, 23883), (1257, 14421), (1311, 13827), (1881, 9637), (2277, 7961), (3771, 4807), (3933, 4609)]