18138654

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 43908480

約数和(自身を除く): 25769826

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 81, 83, 114, 142, 162, 166, 171, 213, 249, 342, 426, 498, 513, 639, 747, 1026, 1278, 1349, 1494, 1539, 1577, 1917, 2241, 2698, 3078, 3154, 3834, 4047, 4482, 4731, 5751, 5893, 6723, 8094, 9462, 11502, 11786, 12141, 13446, 14193, 17679, 24282, 28386, 35358, 36423, 42579, 53037, 72846, 85158, 106074, 109269, 111967, 127737, 159111, 218538, 223934, 255474, 318222, 335901, 477333, 671802, 954666, 1007703, 2015406, 3023109, 6046218, 9069327, 18138654]

約数ペア:

[(1, 18138654), (2, 9069327), (3, 6046218), (6, 3023109), (9, 2015406), (18, 1007703), (19, 954666), (27, 671802), (38, 477333), (54, 335901), (57, 318222), (71, 255474), (81, 223934), (83, 218538), (114, 159111), (142, 127737), (162, 111967), (166, 109269), (171, 106074), (213, 85158), (249, 72846), (342, 53037), (426, 42579), (498, 36423), (513, 35358), (639, 28386), (747, 24282), (1026, 17679), (1278, 14193), (1349, 13446), (1494, 12141), (1539, 11786), (1577, 11502), (1917, 9462), (2241, 8094), (2698, 6723), (3078, 5893), (3154, 5751), (3834, 4731), (4047, 4482)]