18909282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 26249118

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 79, 82, 123, 139, 158, 237, 246, 278, 287, 417, 474, 553, 574, 834, 861, 973, 1106, 1659, 1722, 1946, 2919, 3239, 3318, 5699, 5838, 6478, 9717, 10981, 11398, 17097, 19434, 21962, 22673, 32943, 34194, 39893, 45346, 65886, 68019, 76867, 79786, 119679, 136038, 153734, 230601, 239358, 450221, 461202, 900442, 1350663, 2701326, 3151547, 6303094, 9454641, 18909282]

約数ペア:

[(1, 18909282), (2, 9454641), (3, 6303094), (6, 3151547), (7, 2701326), (14, 1350663), (21, 900442), (41, 461202), (42, 450221), (79, 239358), (82, 230601), (123, 153734), (139, 136038), (158, 119679), (237, 79786), (246, 76867), (278, 68019), (287, 65886), (417, 45346), (474, 39893), (553, 34194), (574, 32943), (834, 22673), (861, 21962), (973, 19434), (1106, 17097), (1659, 11398), (1722, 10981), (1946, 9717), (2919, 6478), (3239, 5838), (3318, 5699)]