18512568

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1153}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 50406720

約数和(自身を除く): 31894152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1153, 1338, 1784, 2007, 2306, 2676, 3459, 4014, 4612, 5352, 6918, 8028, 9224, 10377, 13836, 16056, 20754, 27672, 41508, 83016, 257119, 514238, 771357, 1028476, 1542714, 2056952, 2314071, 3085428, 4628142, 6170856, 9256284, 18512568]

約数ペア:

[(1, 18512568), (2, 9256284), (3, 6170856), (4, 4628142), (6, 3085428), (8, 2314071), (9, 2056952), (12, 1542714), (18, 1028476), (24, 771357), (36, 514238), (72, 257119), (223, 83016), (446, 41508), (669, 27672), (892, 20754), (1153, 16056), (1338, 13836), (1784, 10377), (2007, 9224), (2306, 8028), (2676, 6918), (3459, 5352), (4014, 4612)]