18804958866

素因数分解:

$2^1\times 3^7\times {\mathrm{79}}^1\times {\mathrm{54421}}^1$

素因数の和:54523

約数の個数: 64

約数和(自身を含む): 42840998400

約数和(自身を除く): 24036039534

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 243, 474, 486, 711, 729, 1422, 1458, 2133, 2187, 4266, 4374, 6399, 12798, 19197, 38394, 54421, 57591, 108842, 115182, 163263, 172773, 326526, 345546, 489789, 979578, 1469367, 2938734, 4299259, 4408101, 8598518, 8816202, 12897777, 13224303, 25795554, 26448606, 38693331, 39672909, 77386662, 79345818, 116079993, 119018727, 232159986, 238037454, 348239979, 696479958, 1044719937, 2089439874, 3134159811, 6268319622, 9402479433, 18804958866]

約数ペア:

[(1, 18804958866), (2, 9402479433), (3, 6268319622), (6, 3134159811), (9, 2089439874), (18, 1044719937), (27, 696479958), (54, 348239979), (79, 238037454), (81, 232159986), (158, 119018727), (162, 116079993), (237, 79345818), (243, 77386662), (474, 39672909), (486, 38693331), (711, 26448606), (729, 25795554), (1422, 13224303), (1458, 12897777), (2133, 8816202), (2187, 8598518), (4266, 4408101), (4374, 4299259), (6399, 2938734), (12798, 1469367), (19197, 979578), (38394, 489789), (54421, 345546), (57591, 326526), (108842, 172773), (115182, 163263)]