19201481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 2571319

約数列:

[1, 13, 23, 149, 299, 431, 1937, 3427, 5603, 9913, 44551, 64219, 128869, 834847, 1477037, 19201481]

約数ペア:

[(1, 19201481), (13, 1477037), (23, 834847), (149, 128869), (299, 64219), (431, 44551), (1937, 9913), (3427, 5603)]