18705876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2683}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 50502144

約数和(自身を除く): 31796268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 2683, 3486, 5366, 6972, 8049, 10732, 16098, 18781, 32196, 37562, 56343, 75124, 112686, 222689, 225372, 445378, 668067, 890756, 1336134, 1558823, 2672268, 3117646, 4676469, 6235292, 9352938, 18705876]

約数ペア:

[(1, 18705876), (2, 9352938), (3, 6235292), (4, 4676469), (6, 3117646), (7, 2672268), (12, 1558823), (14, 1336134), (21, 890756), (28, 668067), (42, 445378), (83, 225372), (84, 222689), (166, 112686), (249, 75124), (332, 56343), (498, 37562), (581, 32196), (996, 18781), (1162, 16098), (1743, 10732), (2324, 8049), (2683, 6972), (3486, 5366)]