18496709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6386491

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 269, 329, 517, 893, 1463, 1883, 2959, 3619, 5111, 6251, 9823, 12643, 20713, 35777, 56221, 68761, 88501, 139073, 240217, 393547, 973511, 1681519, 2642387, 18496709]

約数ペア:

[(1, 18496709), (7, 2642387), (11, 1681519), (19, 973511), (47, 393547), (77, 240217), (133, 139073), (209, 88501), (269, 68761), (329, 56221), (517, 35777), (893, 20713), (1463, 12643), (1883, 9823), (2959, 6251), (3619, 5111)]