18705978

素因数分解:

$2^1\times 3^4\times {\mathrm{115469}}^1$

素因数の和:115483

約数の個数: 20

約数和(自身を含む): 41915610

約数和(自身を除く): 23209632

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 115469, 230938, 346407, 692814, 1039221, 2078442, 3117663, 6235326, 9352989, 18705978]

約数ペア:

[(1, 18705978), (2, 9352989), (3, 6235326), (6, 3117663), (9, 2078442), (18, 1039221), (27, 692814), (54, 346407), (81, 230938), (162, 115469)]