19092801

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 32532864

約数和(自身を除く): 13440063

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 97, 103, 147, 273, 291, 309, 637, 679, 721, 1261, 1339, 1911, 2037, 2163, 3783, 4017, 4753, 5047, 8827, 9373, 9991, 14259, 15141, 26481, 28119, 29973, 61789, 65611, 69937, 129883, 185367, 196833, 209811, 389649, 489559, 909181, 1468677, 2727543, 6364267, 19092801]

約数ペア:

[(1, 19092801), (3, 6364267), (7, 2727543), (13, 1468677), (21, 909181), (39, 489559), (49, 389649), (91, 209811), (97, 196833), (103, 185367), (147, 129883), (273, 69937), (291, 65611), (309, 61789), (637, 29973), (679, 28119), (721, 26481), (1261, 15141), (1339, 14259), (1911, 9991), (2037, 9373), (2163, 8827), (3783, 5047), (4017, 4753)]