19921930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 42209640

約数和(自身を除く): 22287710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 373, 490, 545, 746, 763, 1090, 1526, 1865, 2611, 3730, 3815, 5222, 5341, 7630, 10682, 13055, 18277, 26110, 26705, 36554, 40657, 53410, 81314, 91385, 182770, 203285, 284599, 406570, 569198, 1422995, 1992193, 2845990, 3984386, 9960965, 19921930]

約数ペア:

[(1, 19921930), (2, 9960965), (5, 3984386), (7, 2845990), (10, 1992193), (14, 1422995), (35, 569198), (49, 406570), (70, 284599), (98, 203285), (109, 182770), (218, 91385), (245, 81314), (373, 53410), (490, 40657), (545, 36554), (746, 26705), (763, 26110), (1090, 18277), (1526, 13055), (1865, 10682), (2611, 7630), (3730, 5341), (3815, 5222)]