199917734

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{142189}}^1$

素因数の和:142247

約数の個数: 16

約数和(自身を含む): 324193200

約数和(自身を除く): 124275466

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 142189, 284378, 2701591, 5260993, 5403182, 10521986, 99958867, 199917734]

約数ペア:

[(1, 199917734), (2, 99958867), (19, 10521986), (37, 5403182), (38, 5260993), (74, 2701591), (703, 284378), (1406, 142189)]