19787682

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 41545728

約数和(自身を除く): 21758046

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 223, 446, 643, 669, 1286, 1338, 1929, 3858, 5129, 10258, 14789, 15387, 29578, 30774, 44367, 88734, 143389, 286778, 430167, 860334, 3297947, 6595894, 9893841, 19787682]

約数ペア:

[(1, 19787682), (2, 9893841), (3, 6595894), (6, 3297947), (23, 860334), (46, 430167), (69, 286778), (138, 143389), (223, 88734), (446, 44367), (643, 30774), (669, 29578), (1286, 15387), (1338, 14789), (1929, 10258), (3858, 5129)]