18263648

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 39661776

約数和(自身を除く): 21398128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1021, 1118, 1376, 2042, 2236, 4084, 4472, 8168, 8944, 13273, 16336, 17888, 26546, 32672, 43903, 53092, 87806, 106184, 175612, 212368, 351224, 424736, 570739, 702448, 1141478, 1404896, 2282956, 4565912, 9131824, 18263648]

約数ペア:

[(1, 18263648), (2, 9131824), (4, 4565912), (8, 2282956), (13, 1404896), (16, 1141478), (26, 702448), (32, 570739), (43, 424736), (52, 351224), (86, 212368), (104, 175612), (172, 106184), (208, 87806), (344, 53092), (416, 43903), (559, 32672), (688, 26546), (1021, 17888), (1118, 16336), (1376, 13273), (2042, 8944), (2236, 8168), (4084, 4472)]