19841416

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2549}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 42840000

約数和(自身を除く): 22998584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2549, 3892, 5098, 7784, 10196, 17843, 20392, 35686, 71372, 142744, 354311, 708622, 1417244, 2480177, 2834488, 4960354, 9920708, 19841416]

約数ペア:

[(1, 19841416), (2, 9920708), (4, 4960354), (7, 2834488), (8, 2480177), (14, 1417244), (28, 708622), (56, 354311), (139, 142744), (278, 71372), (556, 35686), (973, 20392), (1112, 17843), (1946, 10196), (2549, 7784), (3892, 5098)]