19877943

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 26966016

約数和(自身を除く): 7088073

約数列:

[1, 3, 113, 191, 307, 339, 573, 921, 21583, 34691, 58637, 64749, 104073, 175911, 6625981, 19877943]

約数ペア:

[(1, 19877943), (3, 6625981), (113, 175911), (191, 104073), (307, 64749), (339, 58637), (573, 34691), (921, 21583)]