19863493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 22720320

約数和(自身を除く): 2856827

約数列:

[1, 13, 19, 137, 247, 587, 1781, 2603, 7631, 11153, 33839, 80419, 144989, 1045447, 1527961, 19863493]

約数ペア:

[(1, 19863493), (13, 1527961), (19, 1045447), (137, 144989), (247, 80419), (587, 33839), (1781, 11153), (2603, 7631)]