19958244

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 48518400

約数和(自身を除く): 28560156

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 79, 111, 148, 158, 222, 237, 316, 444, 474, 569, 948, 1138, 1707, 2276, 2923, 3414, 5846, 6828, 8769, 11692, 17538, 21053, 35076, 42106, 44951, 63159, 84212, 89902, 126318, 134853, 179804, 252636, 269706, 539412, 1663187, 3326374, 4989561, 6652748, 9979122, 19958244]

約数ペア:

[(1, 19958244), (2, 9979122), (3, 6652748), (4, 4989561), (6, 3326374), (12, 1663187), (37, 539412), (74, 269706), (79, 252636), (111, 179804), (148, 134853), (158, 126318), (222, 89902), (237, 84212), (316, 63159), (444, 44951), (474, 42106), (569, 35076), (948, 21053), (1138, 17538), (1707, 11692), (2276, 8769), (2923, 6828), (3414, 5846)]