18949572

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2313

約数の個数: 48

約数和(自身を含む): 49772800

約数和(自身を除く): 30823228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2221, 2844, 4266, 4442, 6663, 8532, 8884, 13326, 19989, 26652, 39978, 59967, 79956, 119934, 175459, 239868, 350918, 526377, 701836, 1052754, 1579131, 2105508, 3158262, 4737393, 6316524, 9474786, 18949572]

約数ペア:

[(1, 18949572), (2, 9474786), (3, 6316524), (4, 4737393), (6, 3158262), (9, 2105508), (12, 1579131), (18, 1052754), (27, 701836), (36, 526377), (54, 350918), (79, 239868), (108, 175459), (158, 119934), (237, 79956), (316, 59967), (474, 39978), (711, 26652), (948, 19989), (1422, 13326), (2133, 8884), (2221, 8532), (2844, 6663), (4266, 4442)]