18879554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10477}}^1$

素因数の和:10549

約数の個数: 16

約数和(自身を含む): 30553848

約数和(自身を除く): 11674294

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10477, 20954, 178109, 356218, 555281, 1110562, 9439777, 18879554]

約数ペア:

[(1, 18879554), (2, 9439777), (17, 1110562), (34, 555281), (53, 356218), (106, 178109), (901, 20954), (1802, 10477)]