19743136

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 25544288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1663, 1696, 2968, 3326, 5936, 6652, 11641, 11872, 13304, 23282, 26608, 46564, 53216, 88139, 93128, 176278, 186256, 352556, 372512, 616973, 705112, 1233946, 1410224, 2467892, 2820448, 4935784, 9871568, 19743136]

約数ペア:

[(1, 19743136), (2, 9871568), (4, 4935784), (7, 2820448), (8, 2467892), (14, 1410224), (16, 1233946), (28, 705112), (32, 616973), (53, 372512), (56, 352556), (106, 186256), (112, 176278), (212, 93128), (224, 88139), (371, 53216), (424, 46564), (742, 26608), (848, 23282), (1484, 13304), (1663, 11872), (1696, 11641), (2968, 6652), (3326, 5936)]