19874947

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 21371040

約数和(自身を除く): 1496093

約数列:

[1, 29, 53, 67, 193, 1537, 1943, 3551, 5597, 10229, 12931, 102979, 296641, 374999, 685343, 19874947]

約数ペア:

[(1, 19874947), (29, 685343), (53, 374999), (67, 296641), (193, 102979), (1537, 12931), (1943, 10229), (3551, 5597)]