18686835

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 33480000

約数和(自身を除く): 14793165

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 929, 1341, 2235, 2787, 4023, 4645, 6705, 8361, 13935, 20115, 25083, 41805, 125415, 138421, 415263, 692105, 1245789, 2076315, 3737367, 6228945, 18686835]

約数ペア:

[(1, 18686835), (3, 6228945), (5, 3737367), (9, 2076315), (15, 1245789), (27, 692105), (45, 415263), (135, 138421), (149, 125415), (447, 41805), (745, 25083), (929, 20115), (1341, 13935), (2235, 8361), (2787, 6705), (4023, 4645)]