18868938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25644342

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 41, 57, 66, 82, 114, 123, 209, 246, 367, 418, 451, 627, 734, 779, 902, 1101, 1254, 1353, 1558, 2202, 2337, 2706, 4037, 4674, 6973, 8074, 8569, 12111, 13946, 15047, 17138, 20919, 24222, 25707, 30094, 41838, 45141, 51414, 76703, 90282, 153406, 165517, 230109, 285893, 331034, 460218, 496551, 571786, 857679, 993102, 1715358, 3144823, 6289646, 9434469, 18868938]

約数ペア:

[(1, 18868938), (2, 9434469), (3, 6289646), (6, 3144823), (11, 1715358), (19, 993102), (22, 857679), (33, 571786), (38, 496551), (41, 460218), (57, 331034), (66, 285893), (82, 230109), (114, 165517), (123, 153406), (209, 90282), (246, 76703), (367, 51414), (418, 45141), (451, 41838), (627, 30094), (734, 25707), (779, 24222), (902, 20919), (1101, 17138), (1254, 15047), (1353, 13946), (1558, 12111), (2202, 8569), (2337, 8074), (2706, 6973), (4037, 4674)]