18184972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 18506228

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 62, 116, 124, 377, 389, 403, 754, 778, 806, 899, 1508, 1556, 1612, 1798, 3596, 5057, 10114, 11281, 11687, 12059, 20228, 22562, 23374, 24118, 45124, 46748, 48236, 146653, 156767, 293306, 313534, 349711, 586612, 627068, 699422, 1398844, 4546243, 9092486, 18184972]

約数ペア:

[(1, 18184972), (2, 9092486), (4, 4546243), (13, 1398844), (26, 699422), (29, 627068), (31, 586612), (52, 349711), (58, 313534), (62, 293306), (116, 156767), (124, 146653), (377, 48236), (389, 46748), (403, 45124), (754, 24118), (778, 23374), (806, 22562), (899, 20228), (1508, 12059), (1556, 11687), (1612, 11281), (1798, 10114), (3596, 5057)]