18416538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28999782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 83, 126, 166, 189, 249, 378, 498, 581, 587, 747, 1162, 1174, 1494, 1743, 1761, 2241, 3486, 3522, 4109, 4482, 5229, 5283, 8218, 10458, 10566, 12327, 15687, 15849, 24654, 31374, 31698, 36981, 48721, 73962, 97442, 110943, 146163, 221886, 292326, 341047, 438489, 682094, 876978, 1023141, 1315467, 2046282, 2630934, 3069423, 6138846, 9208269, 18416538]

約数ペア:

[(1, 18416538), (2, 9208269), (3, 6138846), (6, 3069423), (7, 2630934), (9, 2046282), (14, 1315467), (18, 1023141), (21, 876978), (27, 682094), (42, 438489), (54, 341047), (63, 292326), (83, 221886), (126, 146163), (166, 110943), (189, 97442), (249, 73962), (378, 48721), (498, 36981), (581, 31698), (587, 31374), (747, 24654), (1162, 15849), (1174, 15687), (1494, 12327), (1743, 10566), (1761, 10458), (2241, 8218), (3486, 5283), (3522, 5229), (4109, 4482)]