19576996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19033436

約数列:

[1, 2, 4, 17, 31, 34, 37, 62, 68, 74, 124, 148, 251, 502, 527, 629, 1004, 1054, 1147, 1258, 2108, 2294, 2516, 4267, 4588, 7781, 8534, 9287, 15562, 17068, 18574, 19499, 31124, 37148, 38998, 77996, 132277, 157879, 264554, 287897, 315758, 529108, 575794, 631516, 1151588, 4894249, 9788498, 19576996]

約数ペア:

[(1, 19576996), (2, 9788498), (4, 4894249), (17, 1151588), (31, 631516), (34, 575794), (37, 529108), (62, 315758), (68, 287897), (74, 264554), (124, 157879), (148, 132277), (251, 77996), (502, 38998), (527, 37148), (629, 31124), (1004, 19499), (1054, 18574), (1147, 17068), (1258, 15562), (2108, 9287), (2294, 8534), (2516, 7781), (4267, 4588)]