19557406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38651}}^1$

素因数の和:38687

約数の個数: 16

約数和(自身を含む): 33395328

約数和(自身を除く): 13837922

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38651, 77302, 425161, 850322, 888973, 1777946, 9778703, 19557406]

約数ペア:

[(1, 19557406), (2, 9778703), (11, 1777946), (22, 888973), (23, 850322), (46, 425161), (253, 77302), (506, 38651)]