19498843

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 24772832

約数和(自身を除く): 5273989

約数列:

[1, 7, 13, 47, 91, 97, 329, 611, 679, 1261, 2209, 4277, 4559, 8827, 15463, 28717, 31913, 59267, 201019, 214273, 414869, 1499911, 2785549, 19498843]

約数ペア:

[(1, 19498843), (7, 2785549), (13, 1499911), (47, 414869), (91, 214273), (97, 201019), (329, 59267), (611, 31913), (679, 28717), (1261, 15463), (2209, 8827), (4277, 4559)]