19531486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 32941440

約数和(自身を除く): 13409954

約数列:

[1, 2, 13, 26, 37, 74, 79, 158, 257, 481, 514, 962, 1027, 2054, 2923, 3341, 5846, 6682, 9509, 19018, 20303, 37999, 40606, 75998, 123617, 247234, 263939, 527878, 751211, 1502422, 9765743, 19531486]

約数ペア:

[(1, 19531486), (2, 9765743), (13, 1502422), (26, 751211), (37, 527878), (74, 263939), (79, 247234), (158, 123617), (257, 75998), (481, 40606), (514, 37999), (962, 20303), (1027, 19018), (2054, 9509), (2923, 6682), (3341, 5846)]