19481949

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 29981952

約数和(自身を除く): 10500003

約数列:

[1, 3, 9, 17, 51, 153, 223, 571, 669, 1713, 2007, 3791, 5139, 9707, 11373, 29121, 34119, 87363, 127333, 381999, 1145997, 2164661, 6493983, 19481949]

約数ペア:

[(1, 19481949), (3, 6493983), (9, 2164661), (17, 1145997), (51, 381999), (153, 127333), (223, 87363), (571, 34119), (669, 29121), (1713, 11373), (2007, 9707), (3791, 5139)]