18186838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12917162

約数列:

[1, 2, 17, 19, 34, 38, 47, 94, 323, 599, 646, 799, 893, 1198, 1598, 1786, 10183, 11381, 15181, 20366, 22762, 28153, 30362, 56306, 193477, 386954, 478601, 534907, 957202, 1069814, 9093419, 18186838]

約数ペア:

[(1, 18186838), (2, 9093419), (17, 1069814), (19, 957202), (34, 534907), (38, 478601), (47, 386954), (94, 193477), (323, 56306), (599, 30362), (646, 28153), (799, 22762), (893, 20366), (1198, 15181), (1598, 11381), (1786, 10183)]