18921952

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4969}}^1$

素因数の和:5003

約数の個数: 48

約数和(自身を含む): 45087840

約数和(自身を除く): 26165888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 4969, 9938, 19876, 34783, 39752, 69566, 79504, 84473, 139132, 159008, 168946, 278264, 337892, 556528, 591311, 675784, 1113056, 1182622, 1351568, 2365244, 2703136, 4730488, 9460976, 18921952]

約数ペア:

[(1, 18921952), (2, 9460976), (4, 4730488), (7, 2703136), (8, 2365244), (14, 1351568), (16, 1182622), (17, 1113056), (28, 675784), (32, 591311), (34, 556528), (56, 337892), (68, 278264), (112, 168946), (119, 159008), (136, 139132), (224, 84473), (238, 79504), (272, 69566), (476, 39752), (544, 34783), (952, 19876), (1904, 9938), (3808, 4969)]