19894732810

素因数分解:

$2^1\times 5^1\times {\mathrm{8839}}^1\times {\mathrm{225079}}^1$

素因数の和:233925

約数の個数: 16

約数和(自身を含む): 35814729600

約数和(自身を除く): 15919996790

約数列:

[1, 2, 5, 10, 8839, 17678, 44195, 88390, 225079, 450158, 1125395, 2250790, 1989473281, 3978946562, 9947366405, 19894732810]

約数ペア:

[(1, 19894732810), (2, 9947366405), (5, 3978946562), (10, 1989473281), (8839, 2250790), (17678, 1125395), (44195, 450158), (88390, 225079)]