19802019951

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18489281}}^1$

素因数の和:18489311

約数の個数: 24

約数和(自身を含む): 34611935904

約数和(自身を除く): 14809915953

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18489281, 55467843, 129424967, 166403529, 314317777, 388274901, 942953331, 1164824703, 2200224439, 2828859993, 6600673317, 19802019951]

約数ペア:

[(1, 19802019951), (3, 6600673317), (7, 2828859993), (9, 2200224439), (17, 1164824703), (21, 942953331), (51, 388274901), (63, 314317777), (119, 166403529), (153, 129424967), (357, 55467843), (1071, 18489281)]