18676670

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 34642080

約数和(自身を除く): 15965410

約数列:

[1, 2, 5, 10, 53, 106, 131, 262, 265, 269, 530, 538, 655, 1310, 1345, 2690, 6943, 13886, 14257, 28514, 34715, 35239, 69430, 70478, 71285, 142570, 176195, 352390, 1867667, 3735334, 9338335, 18676670]

約数ペア:

[(1, 18676670), (2, 9338335), (5, 3735334), (10, 1867667), (53, 352390), (106, 176195), (131, 142570), (262, 71285), (265, 70478), (269, 69430), (530, 35239), (538, 34715), (655, 28514), (1310, 14257), (1345, 13886), (2690, 6943)]