18684446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19751}}^1$

素因数の和:19807

約数の個数: 16

約数和(自身を含む): 31287168

約数和(自身を除く): 12602722

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19751, 39502, 217261, 434522, 849293, 1698586, 9342223, 18684446]

約数ペア:

[(1, 18684446), (2, 9342223), (11, 1698586), (22, 849293), (43, 434522), (86, 217261), (473, 39502), (946, 19751)]