19943475

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4507}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 33539520

約数和(自身を除く): 13596045

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4507, 13521, 22535, 67605, 112675, 265913, 338025, 797739, 1329565, 3988695, 6647825, 19943475]

約数ペア:

[(1, 19943475), (3, 6647825), (5, 3988695), (15, 1329565), (25, 797739), (59, 338025), (75, 265913), (177, 112675), (295, 67605), (885, 22535), (1475, 13521), (4425, 4507)]