18901458

素因数分解:

$2^1\times 3^3\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 23244462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 541, 647, 1082, 1294, 1623, 1941, 3246, 3882, 4869, 5823, 9738, 11646, 14607, 17469, 29214, 34938, 350027, 700054, 1050081, 2100162, 3150243, 6300486, 9450729, 18901458]

約数ペア:

[(1, 18901458), (2, 9450729), (3, 6300486), (6, 3150243), (9, 2100162), (18, 1050081), (27, 700054), (54, 350027), (541, 34938), (647, 29214), (1082, 17469), (1294, 14607), (1623, 11646), (1941, 9738), (3246, 5823), (3882, 4869)]