19841787

素因数分解:

$3^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 33804800

約数和(自身を除く): 13963013

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 277, 379, 831, 1137, 1939, 2493, 2653, 3411, 5817, 7479, 7959, 10233, 17451, 23877, 52353, 71631, 104983, 314949, 734881, 944847, 2204643, 2834541, 6613929, 19841787]

約数ペア:

[(1, 19841787), (3, 6613929), (7, 2834541), (9, 2204643), (21, 944847), (27, 734881), (63, 314949), (189, 104983), (277, 71631), (379, 52353), (831, 23877), (1137, 17451), (1939, 10233), (2493, 7959), (2653, 7479), (3411, 5817)]