18718784

素因数分解:

$2^6\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 84

約数和(自身を含む): 44476416

約数和(自身を除く): 25757632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 127, 188, 196, 224, 254, 329, 376, 392, 448, 508, 658, 752, 784, 889, 1016, 1316, 1504, 1568, 1778, 2032, 2303, 2632, 3008, 3136, 3556, 4064, 4606, 5264, 5969, 6223, 7112, 8128, 9212, 10528, 11938, 12446, 14224, 18424, 21056, 23876, 24892, 28448, 36848, 41783, 47752, 49784, 56896, 73696, 83566, 95504, 99568, 147392, 167132, 191008, 199136, 292481, 334264, 382016, 398272, 584962, 668528, 1169924, 1337056, 2339848, 2674112, 4679696, 9359392, 18718784]

約数ペア:

[(1, 18718784), (2, 9359392), (4, 4679696), (7, 2674112), (8, 2339848), (14, 1337056), (16, 1169924), (28, 668528), (32, 584962), (47, 398272), (49, 382016), (56, 334264), (64, 292481), (94, 199136), (98, 191008), (112, 167132), (127, 147392), (188, 99568), (196, 95504), (224, 83566), (254, 73696), (329, 56896), (376, 49784), (392, 47752), (448, 41783), (508, 36848), (658, 28448), (752, 24892), (784, 23876), (889, 21056), (1016, 18424), (1316, 14224), (1504, 12446), (1568, 11938), (1778, 10528), (2032, 9212), (2303, 8128), (2632, 7112), (3008, 6223), (3136, 5969), (3556, 5264), (4064, 4606)]