18407748

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 44343936

約数和(自身を除く): 25936188

約数列:

[1, 2, 3, 4, 6, 12, 53, 103, 106, 159, 206, 212, 281, 309, 318, 412, 562, 618, 636, 843, 1124, 1236, 1686, 3372, 5459, 10918, 14893, 16377, 21836, 28943, 29786, 32754, 44679, 57886, 59572, 65508, 86829, 89358, 115772, 173658, 178716, 347316, 1533979, 3067958, 4601937, 6135916, 9203874, 18407748]

約数ペア:

[(1, 18407748), (2, 9203874), (3, 6135916), (4, 4601937), (6, 3067958), (12, 1533979), (53, 347316), (103, 178716), (106, 173658), (159, 115772), (206, 89358), (212, 86829), (281, 65508), (309, 59572), (318, 57886), (412, 44679), (562, 32754), (618, 29786), (636, 28943), (843, 21836), (1124, 16377), (1236, 14893), (1686, 10918), (3372, 5459)]