19976389

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 21636720

約数和(自身を除く): 1660331

約数列:

[1, 29, 41, 53, 317, 1189, 1537, 2173, 9193, 12997, 16801, 63017, 376913, 487229, 688841, 19976389]

約数ペア:

[(1, 19976389), (29, 688841), (41, 487229), (53, 376913), (317, 63017), (1189, 16801), (1537, 12997), (2173, 9193)]