19752997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1447}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 23144832

約数和(自身を除く): 3391835

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1447, 13651, 15917, 24599, 105631, 270589, 1161941, 1795727, 19752997]

約数ペア:

[(1, 19752997), (11, 1795727), (17, 1161941), (73, 270589), (187, 105631), (803, 24599), (1241, 15917), (1447, 13651)]