19912325931

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1664771}}^1$

素因数の和:1665223

約数の個数: 16

約数和(自身を含む): 29566350720

約数和(自身を除く): 9654024789

約数列:

[1, 3, 9, 27, 443, 1329, 3987, 11961, 1664771, 4994313, 14982939, 44948817, 737493553, 2212480659, 6637441977, 19912325931]

約数ペア:

[(1, 19912325931), (3, 6637441977), (9, 2212480659), (27, 737493553), (443, 44948817), (1329, 14982939), (3987, 4994313), (11961, 1664771)]