19964782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13627538

約数列:

[1, 2, 19, 23, 38, 46, 53, 106, 431, 437, 862, 874, 1007, 1219, 2014, 2438, 8189, 9913, 16378, 19826, 22843, 23161, 45686, 46322, 188347, 376694, 434017, 525389, 868034, 1050778, 9982391, 19964782]

約数ペア:

[(1, 19964782), (2, 9982391), (19, 1050778), (23, 868034), (38, 525389), (46, 434017), (53, 376694), (106, 188347), (431, 46322), (437, 45686), (862, 23161), (874, 22843), (1007, 19826), (1219, 16378), (2014, 9913), (2438, 8189)]