19975522

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7883}}^1$

素因数の和:8073

約数の個数: 16

約数和(自身を含む): 34437312

約数和(自身を除く): 14461790

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 7883, 15766, 55181, 110362, 1426823, 2853646, 9987761, 19975522]

約数ペア:

[(1, 19975522), (2, 9987761), (7, 2853646), (14, 1426823), (181, 110362), (362, 55181), (1267, 15766), (2534, 7883)]