19159854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^2$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 45251712

約数和(自身を除く): 26091858

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 103, 129, 206, 258, 301, 309, 602, 618, 721, 903, 1442, 1806, 2163, 4326, 4429, 8858, 10609, 13287, 21218, 26574, 31003, 31827, 62006, 63654, 74263, 93009, 148526, 186018, 222789, 445578, 456187, 912374, 1368561, 2737122, 3193309, 6386618, 9579927, 19159854]

約数ペア:

[(1, 19159854), (2, 9579927), (3, 6386618), (6, 3193309), (7, 2737122), (14, 1368561), (21, 912374), (42, 456187), (43, 445578), (86, 222789), (103, 186018), (129, 148526), (206, 93009), (258, 74263), (301, 63654), (309, 62006), (602, 31827), (618, 31003), (721, 26574), (903, 21218), (1442, 13287), (1806, 10609), (2163, 8858), (4326, 4429)]