19996318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1879}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 31877280

約数和(自身を除く): 11880962

約数列:

[1, 2, 17, 34, 313, 626, 1879, 3758, 5321, 10642, 31943, 63886, 588127, 1176254, 9998159, 19996318]

約数ペア:

[(1, 19996318), (2, 9998159), (17, 1176254), (34, 588127), (313, 63886), (626, 31943), (1879, 10642), (3758, 5321)]