18260090

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 15612166

約数列:

[1, 2, 5, 10, 53, 106, 131, 262, 263, 265, 526, 530, 655, 1310, 1315, 2630, 6943, 13886, 13939, 27878, 34453, 34715, 68906, 69430, 69695, 139390, 172265, 344530, 1826009, 3652018, 9130045, 18260090]

約数ペア:

[(1, 18260090), (2, 9130045), (5, 3652018), (10, 1826009), (53, 344530), (106, 172265), (131, 139390), (262, 69695), (263, 69430), (265, 68906), (526, 34715), (530, 34453), (655, 27878), (1310, 13939), (1315, 13886), (2630, 6943)]