18783249

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 9417711

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 239, 391, 717, 1139, 1173, 1541, 3417, 4063, 4623, 5497, 12189, 16013, 16491, 26197, 48039, 78591, 93449, 272221, 280347, 368299, 816663, 1104897, 6261083, 18783249]

約数ペア:

[(1, 18783249), (3, 6261083), (17, 1104897), (23, 816663), (51, 368299), (67, 280347), (69, 272221), (201, 93449), (239, 78591), (391, 48039), (717, 26197), (1139, 16491), (1173, 16013), (1541, 12189), (3417, 5497), (4063, 4623)]