19354816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 56

約数和(自身を含む): 42401744

約数和(自身を除く): 23046928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 541, 559, 688, 832, 1082, 1118, 1376, 2164, 2236, 2752, 4328, 4472, 7033, 8656, 8944, 14066, 17312, 17888, 23263, 28132, 34624, 35776, 46526, 56264, 93052, 112528, 186104, 225056, 302419, 372208, 450112, 604838, 744416, 1209676, 1488832, 2419352, 4838704, 9677408, 19354816]

約数ペア:

[(1, 19354816), (2, 9677408), (4, 4838704), (8, 2419352), (13, 1488832), (16, 1209676), (26, 744416), (32, 604838), (43, 450112), (52, 372208), (64, 302419), (86, 225056), (104, 186104), (172, 112528), (208, 93052), (344, 56264), (416, 46526), (541, 35776), (559, 34624), (688, 28132), (832, 23263), (1082, 17888), (1118, 17312), (1376, 14066), (2164, 8944), (2236, 8656), (2752, 7033), (4328, 4472)]