19814701

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 21683200

約数和(自身を除く): 1868499

約数列:

[1, 19, 43, 79, 307, 817, 1501, 3397, 5833, 13201, 24253, 64543, 250819, 460807, 1042879, 19814701]

約数ペア:

[(1, 19814701), (19, 1042879), (43, 460807), (79, 250819), (307, 64543), (817, 24253), (1501, 13201), (3397, 5833)]