19870293583

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2830123}}^1$

素因数の和:2830206

約数の個数: 16

約数和(自身を含む): 24452271360

約数和(自身を除く): 4581977777

約数列:

[1, 7, 17, 59, 119, 413, 1003, 7021, 2830123, 19810861, 48112091, 166977257, 336784637, 1168840799, 2838613369, 19870293583]

約数ペア:

[(1, 19870293583), (7, 2838613369), (17, 1168840799), (59, 336784637), (119, 166977257), (413, 48112091), (1003, 19810861), (7021, 2830123)]