19664216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17189}}^1$

素因数の和:17219

約数の個数: 32

約数和(自身を含む): 43318800

約数和(自身を除く): 23654584

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17189, 34378, 68756, 137512, 189079, 223457, 378158, 446914, 756316, 893828, 1512632, 1787656, 2458027, 4916054, 9832108, 19664216]

約数ペア:

[(1, 19664216), (2, 9832108), (4, 4916054), (8, 2458027), (11, 1787656), (13, 1512632), (22, 893828), (26, 756316), (44, 446914), (52, 378158), (88, 223457), (104, 189079), (143, 137512), (286, 68756), (572, 34378), (1144, 17189)]