19222580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 46040400

約数和(自身を除く): 26817820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4349, 4420, 8698, 17396, 21745, 43490, 56537, 73933, 86980, 113074, 147866, 226148, 282685, 295732, 369665, 565370, 739330, 961129, 1130740, 1478660, 1922258, 3844516, 4805645, 9611290, 19222580]

約数ペア:

[(1, 19222580), (2, 9611290), (4, 4805645), (5, 3844516), (10, 1922258), (13, 1478660), (17, 1130740), (20, 961129), (26, 739330), (34, 565370), (52, 369665), (65, 295732), (68, 282685), (85, 226148), (130, 147866), (170, 113074), (221, 86980), (260, 73933), (340, 56537), (442, 43490), (884, 21745), (1105, 17396), (2210, 8698), (4349, 4420)]