19320273

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2341}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 32150976

約数和(自身を除く): 12830703

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2341, 2751, 7023, 8253, 16387, 21069, 49161, 147483, 306671, 920013, 2146697, 2760039, 6440091, 19320273]

約数ペア:

[(1, 19320273), (3, 6440091), (7, 2760039), (9, 2146697), (21, 920013), (63, 306671), (131, 147483), (393, 49161), (917, 21069), (1179, 16387), (2341, 8253), (2751, 7023)]