19171929

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31481}}^1$

素因数の和:31520

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 11050791

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 31481, 94443, 220367, 661101, 912949, 2738847, 6390643, 19171929]

約数ペア:

[(1, 19171929), (3, 6390643), (7, 2738847), (21, 912949), (29, 661101), (87, 220367), (203, 94443), (609, 31481)]