38419444

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 81486720

約数和(自身を除く): 43067276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 257, 266, 281, 514, 532, 562, 1028, 1124, 1799, 1967, 3598, 3934, 4883, 5339, 7196, 7868, 9766, 10678, 19532, 21356, 34181, 37373, 68362, 72217, 74746, 136724, 144434, 149492, 288868, 505519, 1011038, 1372123, 2022076, 2744246, 5488492, 9604861, 19209722, 38419444]

約数ペア:

[(1, 38419444), (2, 19209722), (4, 9604861), (7, 5488492), (14, 2744246), (19, 2022076), (28, 1372123), (38, 1011038), (76, 505519), (133, 288868), (257, 149492), (266, 144434), (281, 136724), (514, 74746), (532, 72217), (562, 68362), (1028, 37373), (1124, 34181), (1799, 21356), (1967, 19532), (3598, 10678), (3934, 9766), (4883, 7868), (5339, 7196)]