18966654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 47430240

約数和(自身を除く): 28463586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1381, 1526, 1962, 2289, 2762, 4143, 4578, 6867, 8286, 9667, 12429, 13734, 19334, 24858, 29001, 58002, 87003, 150529, 174006, 301058, 451587, 903174, 1053703, 1354761, 2107406, 2709522, 3161109, 6322218, 9483327, 18966654]

約数ペア:

[(1, 18966654), (2, 9483327), (3, 6322218), (6, 3161109), (7, 2709522), (9, 2107406), (14, 1354761), (18, 1053703), (21, 903174), (42, 451587), (63, 301058), (109, 174006), (126, 150529), (218, 87003), (327, 58002), (654, 29001), (763, 24858), (981, 19334), (1381, 13734), (1526, 12429), (1962, 9667), (2289, 8286), (2762, 6867), (4143, 4578)]