19826568

素因数分解:

$2^3\times 3^2\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 53901900

約数和(自身を除く): 34075332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 509, 541, 1018, 1082, 1527, 1623, 2036, 2164, 3054, 3246, 4072, 4328, 4581, 4869, 6108, 6492, 9162, 9738, 12216, 12984, 18324, 19476, 36648, 38952, 275369, 550738, 826107, 1101476, 1652214, 2202952, 2478321, 3304428, 4956642, 6608856, 9913284, 19826568]

約数ペア:

[(1, 19826568), (2, 9913284), (3, 6608856), (4, 4956642), (6, 3304428), (8, 2478321), (9, 2202952), (12, 1652214), (18, 1101476), (24, 826107), (36, 550738), (72, 275369), (509, 38952), (541, 36648), (1018, 19476), (1082, 18324), (1527, 12984), (1623, 12216), (2036, 9738), (2164, 9162), (3054, 6492), (3246, 6108), (4072, 4869), (4328, 4581)]