19005354891

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1664071}}^1$

素因数の和:1664133

約数の個数: 24

約数和(自身を含む): 29074665984

約数和(自身を除く): 10069311093

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 3807, 11421, 1664071, 4992213, 14976639, 44929917, 78211337, 134789751, 234634011, 404369253, 703902033, 2111706099, 6335118297, 19005354891]

約数ペア:

[(1, 19005354891), (3, 6335118297), (9, 2111706099), (27, 703902033), (47, 404369253), (81, 234634011), (141, 134789751), (243, 78211337), (423, 44929917), (1269, 14976639), (3807, 4992213), (11421, 1664071)]