18155748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 45945536

約数和(自身を除く): 27789788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 643, 724, 1086, 1286, 1929, 2172, 2353, 2572, 3858, 4706, 7059, 7716, 8359, 9412, 14118, 16718, 25077, 28236, 33436, 50154, 100308, 116383, 232766, 349149, 465532, 698298, 1396596, 1512979, 3025958, 4538937, 6051916, 9077874, 18155748]

約数ペア:

[(1, 18155748), (2, 9077874), (3, 6051916), (4, 4538937), (6, 3025958), (12, 1512979), (13, 1396596), (26, 698298), (39, 465532), (52, 349149), (78, 232766), (156, 116383), (181, 100308), (362, 50154), (543, 33436), (643, 28236), (724, 25077), (1086, 16718), (1286, 14118), (1929, 9412), (2172, 8359), (2353, 7716), (2572, 7059), (3858, 4706)]