20191808538

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{625637}}^1$

素因数の和:625819

約数の個数: 48

約数和(自身を含む): 48018967776

約数和(自身を除く): 27827159238

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 163, 198, 326, 489, 978, 1467, 1793, 2934, 3586, 5379, 10758, 16137, 32274, 625637, 1251274, 1876911, 3753822, 5630733, 6882007, 11261466, 13764014, 20646021, 41292042, 61938063, 101978831, 123876126, 203957662, 305936493, 611872986, 917809479, 1121767141, 1835618958, 2243534282, 3365301423, 6730602846, 10095904269, 20191808538]

約数ペア:

[(1, 20191808538), (2, 10095904269), (3, 6730602846), (6, 3365301423), (9, 2243534282), (11, 1835618958), (18, 1121767141), (22, 917809479), (33, 611872986), (66, 305936493), (99, 203957662), (163, 123876126), (198, 101978831), (326, 61938063), (489, 41292042), (978, 20646021), (1467, 13764014), (1793, 11261466), (2934, 6882007), (3586, 5630733), (5379, 3753822), (10758, 1876911), (16137, 1251274), (32274, 625637)]