18670938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 44900352

約数和(自身を除く): 26229414

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 463, 517, 611, 858, 926, 1034, 1222, 1389, 1551, 1833, 2778, 3102, 3666, 5093, 6019, 6721, 10186, 12038, 13442, 15279, 18057, 20163, 21761, 30558, 36114, 40326, 43522, 65283, 66209, 130566, 132418, 198627, 239371, 282893, 397254, 478742, 565786, 718113, 848679, 1436226, 1697358, 3111823, 6223646, 9335469, 18670938]

約数ペア:

[(1, 18670938), (2, 9335469), (3, 6223646), (6, 3111823), (11, 1697358), (13, 1436226), (22, 848679), (26, 718113), (33, 565786), (39, 478742), (47, 397254), (66, 282893), (78, 239371), (94, 198627), (141, 132418), (143, 130566), (282, 66209), (286, 65283), (429, 43522), (463, 40326), (517, 36114), (611, 30558), (858, 21761), (926, 20163), (1034, 18057), (1222, 15279), (1389, 13442), (1551, 12038), (1833, 10186), (2778, 6721), (3102, 6019), (3666, 5093)]