18884886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 39633408

約数和(自身を除く): 20748522

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 281, 487, 562, 843, 974, 1461, 1686, 2922, 6463, 11201, 12926, 19389, 22402, 33603, 38778, 67206, 136847, 273694, 410541, 821082, 3147481, 6294962, 9442443, 18884886]

約数ペア:

[(1, 18884886), (2, 9442443), (3, 6294962), (6, 3147481), (23, 821082), (46, 410541), (69, 273694), (138, 136847), (281, 67206), (487, 38778), (562, 33603), (843, 22402), (974, 19389), (1461, 12926), (1686, 11201), (2922, 6463)]