16641972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 44553600

約数和(自身を除く): 27911628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 101, 138, 199, 202, 207, 276, 303, 398, 404, 414, 597, 606, 796, 828, 909, 1194, 1212, 1791, 1818, 2323, 2388, 3582, 3636, 4577, 4646, 6969, 7164, 9154, 9292, 13731, 13938, 18308, 20099, 20907, 27462, 27876, 40198, 41193, 41814, 54924, 60297, 80396, 82386, 83628, 120594, 164772, 180891, 241188, 361782, 462277, 723564, 924554, 1386831, 1849108, 2773662, 4160493, 5547324, 8320986, 16641972]

約数ペア:

[(1, 16641972), (2, 8320986), (3, 5547324), (4, 4160493), (6, 2773662), (9, 1849108), (12, 1386831), (18, 924554), (23, 723564), (36, 462277), (46, 361782), (69, 241188), (92, 180891), (101, 164772), (138, 120594), (199, 83628), (202, 82386), (207, 80396), (276, 60297), (303, 54924), (398, 41814), (404, 41193), (414, 40198), (597, 27876), (606, 27462), (796, 20907), (828, 20099), (909, 18308), (1194, 13938), (1212, 13731), (1791, 9292), (1818, 9154), (2323, 7164), (2388, 6969), (3582, 4646), (3636, 4577)]