19747136

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{1291}}^1$

素因数の和:1542

約数の個数: 28

約数和(自身を含む): 39380160

約数和(自身を除く): 19633024

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1291, 1912, 2582, 3824, 5164, 7648, 10328, 15296, 20656, 41312, 82624, 308549, 617098, 1234196, 2468392, 4936784, 9873568, 19747136]

約数ペア:

[(1, 19747136), (2, 9873568), (4, 4936784), (8, 2468392), (16, 1234196), (32, 617098), (64, 308549), (239, 82624), (478, 41312), (956, 20656), (1291, 15296), (1912, 10328), (2582, 7648), (3824, 5164)]