19841864

素因数分解:

$2^3\times 7^4\times {\mathrm{1033}}^1$

素因数の和:1067

約数の個数: 40

約数和(自身を含む): 43443510

約数和(自身を除く): 23601646

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1033, 1372, 2066, 2401, 2744, 4132, 4802, 7231, 8264, 9604, 14462, 19208, 28924, 50617, 57848, 101234, 202468, 354319, 404936, 708638, 1417276, 2480233, 2834552, 4960466, 9920932, 19841864]

約数ペア:

[(1, 19841864), (2, 9920932), (4, 4960466), (7, 2834552), (8, 2480233), (14, 1417276), (28, 708638), (49, 404936), (56, 354319), (98, 202468), (196, 101234), (343, 57848), (392, 50617), (686, 28924), (1033, 19208), (1372, 14462), (2066, 9604), (2401, 8264), (2744, 7231), (4132, 4802)]