19645272

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 53450280

約数和(自身を除く): 33805008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 971, 1124, 1686, 1942, 2248, 2529, 2913, 3372, 3884, 5058, 5826, 6744, 7768, 8739, 10116, 11652, 17478, 20232, 23304, 34956, 69912, 272851, 545702, 818553, 1091404, 1637106, 2182808, 2455659, 3274212, 4911318, 6548424, 9822636, 19645272]

約数ペア:

[(1, 19645272), (2, 9822636), (3, 6548424), (4, 4911318), (6, 3274212), (8, 2455659), (9, 2182808), (12, 1637106), (18, 1091404), (24, 818553), (36, 545702), (72, 272851), (281, 69912), (562, 34956), (843, 23304), (971, 20232), (1124, 17478), (1686, 11652), (1942, 10116), (2248, 8739), (2529, 7768), (2913, 6744), (3372, 5826), (3884, 5058)]