19912502

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4703}}^1$

素因数の和:4807

約数の個数: 16

約数和(自身を含む): 31328640

約数和(自身を除く): 11416138

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4703, 9406, 136387, 272774, 343319, 686638, 9956251, 19912502]

約数ペア:

[(1, 19912502), (2, 9956251), (29, 686638), (58, 343319), (73, 272774), (146, 136387), (2117, 9406), (4234, 4703)]