19285539

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 32438784

約数和(自身を除く): 13153245

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1723, 3731, 5169, 11193, 12061, 22399, 36183, 67197, 70643, 156793, 211929, 470379, 494501, 918359, 1483503, 2755077, 6428513, 19285539]

約数ペア:

[(1, 19285539), (3, 6428513), (7, 2755077), (13, 1483503), (21, 918359), (39, 494501), (41, 470379), (91, 211929), (123, 156793), (273, 70643), (287, 67197), (533, 36183), (861, 22399), (1599, 12061), (1723, 11193), (3731, 5169)]