19981801210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2771401}}^1$

素因数の和:2771518

約数の個数: 32

約数和(自身を含む): 41504516352

約数和(自身を除く): 21522715142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 2771401, 5542802, 13857005, 19399807, 27714010, 38799614, 96999035, 193998070, 285454303, 570908606, 1427271515, 1998180121, 2854543030, 3996360242, 9990900605, 19981801210]

約数ペア:

[(1, 19981801210), (2, 9990900605), (5, 3996360242), (7, 2854543030), (10, 1998180121), (14, 1427271515), (35, 570908606), (70, 285454303), (103, 193998070), (206, 96999035), (515, 38799614), (721, 27714010), (1030, 19399807), (1442, 13857005), (3605, 5542802), (7210, 2771401)]