19013697

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 29899584

約数和(自身を除く): 10885887

約数列:

[1, 3, 9, 27, 43, 53, 81, 103, 129, 159, 309, 387, 477, 927, 1161, 1431, 2279, 2781, 3483, 4293, 4429, 5459, 6837, 8343, 13287, 16377, 20511, 39861, 49131, 61533, 119583, 147393, 184599, 234737, 358749, 442179, 704211, 2112633, 6337899, 19013697]

約数ペア:

[(1, 19013697), (3, 6337899), (9, 2112633), (27, 704211), (43, 442179), (53, 358749), (81, 234737), (103, 184599), (129, 147393), (159, 119583), (309, 61533), (387, 49131), (477, 39861), (927, 20511), (1161, 16377), (1431, 13287), (2279, 8343), (2781, 6837), (3483, 5459), (4293, 4429)]