19980514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22861}}^1$

素因数の和:22905

約数の個数: 16

約数和(自身を含む): 32921280

約数和(自身を除く): 12940766

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 22861, 45722, 434359, 525803, 868718, 1051606, 9990257, 19980514]

約数ペア:

[(1, 19980514), (2, 9990257), (19, 1051606), (23, 868718), (38, 525803), (46, 434359), (437, 45722), (874, 22861)]