18746288

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 41757744

約数和(自身を除く): 23011456

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 421, 484, 506, 842, 968, 1012, 1684, 1936, 2024, 2783, 3368, 4048, 4631, 5566, 6736, 9262, 9683, 11132, 18524, 19366, 22264, 37048, 38732, 44528, 50941, 74096, 77464, 101882, 106513, 154928, 203764, 213026, 407528, 426052, 815056, 852104, 1171643, 1704208, 2343286, 4686572, 9373144, 18746288]

約数ペア:

[(1, 18746288), (2, 9373144), (4, 4686572), (8, 2343286), (11, 1704208), (16, 1171643), (22, 852104), (23, 815056), (44, 426052), (46, 407528), (88, 213026), (92, 203764), (121, 154928), (176, 106513), (184, 101882), (242, 77464), (253, 74096), (368, 50941), (421, 44528), (484, 38732), (506, 37048), (842, 22264), (968, 19366), (1012, 18524), (1684, 11132), (1936, 9683), (2024, 9262), (2783, 6736), (3368, 5566), (4048, 4631)]