201990512894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{21851}}^1\times {\mathrm{243263}}^1$

素因数の和:265135

約数の個数: 16

約数和(自身を含む): 318948295680

約数和(自身を除く): 116957782786

約数列:

[1, 2, 19, 38, 21851, 43702, 243263, 415169, 486526, 830338, 4621997, 9243994, 5315539813, 10631079626, 100995256447, 201990512894]

約数ペア:

[(1, 201990512894), (2, 100995256447), (19, 10631079626), (38, 5315539813), (21851, 9243994), (43702, 4621997), (243263, 830338), (415169, 486526)]