19937596

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 22285508

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 83, 92, 161, 166, 322, 332, 373, 581, 644, 746, 1162, 1492, 1909, 2324, 2611, 3818, 5222, 7636, 8579, 10444, 13363, 17158, 26726, 30959, 34316, 53452, 60053, 61918, 120106, 123836, 216713, 240212, 433426, 712057, 866852, 1424114, 2848228, 4984399, 9968798, 19937596]

約数ペア:

[(1, 19937596), (2, 9968798), (4, 4984399), (7, 2848228), (14, 1424114), (23, 866852), (28, 712057), (46, 433426), (83, 240212), (92, 216713), (161, 123836), (166, 120106), (322, 61918), (332, 60053), (373, 53452), (581, 34316), (644, 30959), (746, 26726), (1162, 17158), (1492, 13363), (1909, 10444), (2324, 8579), (2611, 7636), (3818, 5222)]