19394584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3613}}^1$

素因数の和:3691

約数の個数: 32

約数和(自身を含む): 40332240

約数和(自身を除く): 20937656

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3613, 5368, 7226, 14452, 28904, 39743, 79486, 158972, 220393, 317944, 440786, 881572, 1763144, 2424323, 4848646, 9697292, 19394584]

約数ペア:

[(1, 19394584), (2, 9697292), (4, 4848646), (8, 2424323), (11, 1763144), (22, 881572), (44, 440786), (61, 317944), (88, 220393), (122, 158972), (244, 79486), (488, 39743), (671, 28904), (1342, 14452), (2684, 7226), (3613, 5368)]