19249137

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 30105600

約数和(自身を除く): 10856463

約数列:

[1, 3, 9, 23, 27, 69, 139, 207, 223, 417, 621, 669, 1251, 2007, 3197, 3753, 5129, 6021, 9591, 15387, 28773, 30997, 46161, 86319, 92991, 138483, 278973, 712931, 836919, 2138793, 6416379, 19249137]

約数ペア:

[(1, 19249137), (3, 6416379), (9, 2138793), (23, 836919), (27, 712931), (69, 278973), (139, 138483), (207, 92991), (223, 86319), (417, 46161), (621, 30997), (669, 28773), (1251, 15387), (2007, 9591), (3197, 6021), (3753, 5129)]