18509227

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 21254400

約数和(自身を除く): 2745173

約数列:

[1, 11, 23, 149, 253, 491, 1639, 3427, 5401, 11293, 37697, 73159, 124223, 804749, 1682657, 18509227]

約数ペア:

[(1, 18509227), (11, 1682657), (23, 804749), (149, 124223), (253, 73159), (491, 37697), (1639, 11293), (3427, 5401)]