19912314597

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1\times {\mathrm{18773}}^1$

素因数の和:19789

約数の個数: 32

約数和(自身を含む): 30949164288

約数和(自身を除く): 11036849691

約数列:

[1, 3, 7, 21, 53, 159, 371, 953, 1113, 2859, 6671, 18773, 20013, 50509, 56319, 131411, 151527, 353563, 394233, 994969, 1060689, 2984907, 6964783, 17890669, 20894349, 53672007, 125234683, 375704049, 948205457, 2844616371, 6637438199, 19912314597]

約数ペア:

[(1, 19912314597), (3, 6637438199), (7, 2844616371), (21, 948205457), (53, 375704049), (159, 125234683), (371, 53672007), (953, 20894349), (1113, 17890669), (2859, 6964783), (6671, 2984907), (18773, 1060689), (20013, 994969), (50509, 394233), (56319, 353563), (131411, 151527)]