19909638

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 51795744

約数和(自身を除く): 31886106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 97, 126, 162, 181, 189, 194, 291, 362, 378, 543, 567, 582, 679, 873, 1086, 1134, 1267, 1358, 1629, 1746, 2037, 2534, 2619, 3258, 3801, 4074, 4887, 5238, 6111, 7602, 7857, 9774, 11403, 12222, 14661, 15714, 17557, 18333, 22806, 29322, 34209, 35114, 36666, 52671, 54999, 68418, 102627, 105342, 109998, 122899, 158013, 205254, 245798, 316026, 368697, 474039, 737394, 948078, 1106091, 1422117, 2212182, 2844234, 3318273, 6636546, 9954819, 19909638]

約数ペア:

[(1, 19909638), (2, 9954819), (3, 6636546), (6, 3318273), (7, 2844234), (9, 2212182), (14, 1422117), (18, 1106091), (21, 948078), (27, 737394), (42, 474039), (54, 368697), (63, 316026), (81, 245798), (97, 205254), (126, 158013), (162, 122899), (181, 109998), (189, 105342), (194, 102627), (291, 68418), (362, 54999), (378, 52671), (543, 36666), (567, 35114), (582, 34209), (679, 29322), (873, 22806), (1086, 18333), (1134, 17557), (1267, 15714), (1358, 14661), (1629, 12222), (1746, 11403), (2037, 9774), (2534, 7857), (2619, 7602), (3258, 6111), (3801, 5238), (4074, 4887)]