19218873

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 27237184

約数和(自身を除く): 8018311

約数列:

[1, 3, 37, 41, 103, 111, 123, 309, 1517, 1681, 3811, 4223, 4551, 5043, 11433, 12669, 62197, 156251, 173143, 186591, 468753, 519429, 6406291, 19218873]

約数ペア:

[(1, 19218873), (3, 6406291), (37, 519429), (41, 468753), (103, 186591), (111, 173143), (123, 156251), (309, 62197), (1517, 12669), (1681, 11433), (3811, 5043), (4223, 4551)]