19553068

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 15303572

約数列:

[1, 2, 4, 113, 181, 226, 239, 362, 452, 478, 724, 956, 20453, 27007, 40906, 43259, 54014, 81812, 86518, 108028, 173036, 4888267, 9776534, 19553068]

約数ペア:

[(1, 19553068), (2, 9776534), (4, 4888267), (113, 173036), (181, 108028), (226, 86518), (239, 81812), (362, 54014), (452, 43259), (478, 40906), (724, 27007), (956, 20453)]