19948651768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2767571}}^1$

素因数の和:2767647

約数の個数: 32

約数和(自身を含む): 40351199760

約数和(自身を除く): 20402547992

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208, 2767571, 5535142, 11070284, 22140568, 47048707, 94097414, 146681263, 188194828, 293362526, 376389656, 586725052, 1173450104, 2493581471, 4987162942, 9974325884, 19948651768]

約数ペア:

[(1, 19948651768), (2, 9974325884), (4, 4987162942), (8, 2493581471), (17, 1173450104), (34, 586725052), (53, 376389656), (68, 293362526), (106, 188194828), (136, 146681263), (212, 94097414), (424, 47048707), (901, 22140568), (1802, 11070284), (3604, 5535142), (7208, 2767571)]