18619259

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 20666880

約数和(自身を除く): 2047621

約数列:

[1, 19, 23, 137, 311, 437, 2603, 3151, 5909, 7153, 42607, 59869, 135907, 809533, 979961, 18619259]

約数ペア:

[(1, 18619259), (19, 979961), (23, 809533), (137, 135907), (311, 59869), (437, 42607), (2603, 7153), (3151, 5909)]