18321016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 42105600

約数和(自身を除く): 23784584

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 67, 76, 133, 134, 152, 257, 266, 268, 469, 514, 532, 536, 938, 1028, 1064, 1273, 1799, 1876, 2056, 2546, 3598, 3752, 4883, 5092, 7196, 8911, 9766, 10184, 14392, 17219, 17822, 19532, 34181, 34438, 35644, 39064, 68362, 68876, 71288, 120533, 136724, 137752, 241066, 273448, 327161, 482132, 654322, 964264, 1308644, 2290127, 2617288, 4580254, 9160508, 18321016]

約数ペア:

[(1, 18321016), (2, 9160508), (4, 4580254), (7, 2617288), (8, 2290127), (14, 1308644), (19, 964264), (28, 654322), (38, 482132), (56, 327161), (67, 273448), (76, 241066), (133, 137752), (134, 136724), (152, 120533), (257, 71288), (266, 68876), (268, 68362), (469, 39064), (514, 35644), (532, 34438), (536, 34181), (938, 19532), (1028, 17822), (1064, 17219), (1273, 14392), (1799, 10184), (1876, 9766), (2056, 8911), (2546, 7196), (3598, 5092), (3752, 4883)]