19541421

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 29914560

約数和(自身を除く): 10373139

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1409, 1541, 4227, 4623, 12681, 13869, 32407, 94403, 97221, 283209, 291663, 849627, 2171269, 6513807, 19541421]

約数ペア:

[(1, 19541421), (3, 6513807), (9, 2171269), (23, 849627), (67, 291663), (69, 283209), (201, 97221), (207, 94403), (603, 32407), (1409, 13869), (1541, 12681), (4227, 4623)]