19991815524

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2343157}}^1$

素因数の和:2343249

約数の個数: 48

約数和(自身を含む): 52486739200

約数和(自身を除く): 32494923676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2844, 4266, 8532, 2343157, 4686314, 7029471, 9372628, 14058942, 21088413, 28117884, 42176826, 63265239, 84353652, 126530478, 185109403, 253060956, 370218806, 555328209, 740437612, 1110656418, 1665984627, 2221312836, 3331969254, 4997953881, 6663938508, 9995907762, 19991815524]

約数ペア:

[(1, 19991815524), (2, 9995907762), (3, 6663938508), (4, 4997953881), (6, 3331969254), (9, 2221312836), (12, 1665984627), (18, 1110656418), (27, 740437612), (36, 555328209), (54, 370218806), (79, 253060956), (108, 185109403), (158, 126530478), (237, 84353652), (316, 63265239), (474, 42176826), (711, 28117884), (948, 21088413), (1422, 14058942), (2133, 9372628), (2844, 7029471), (4266, 4686314), (8532, 2343157)]