19109561778

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{65651}}^1$

素因数の和:65919

約数の個数: 48

約数和(自身を含む): 42072952896

約数和(自身を除く): 22963391118

約数列:

[1, 2, 3, 6, 9, 18, 103, 157, 206, 309, 314, 471, 618, 927, 942, 1413, 1854, 2826, 16171, 32342, 48513, 65651, 97026, 131302, 145539, 196953, 291078, 393906, 590859, 1181718, 6762053, 10307207, 13524106, 20286159, 20614414, 30921621, 40572318, 60858477, 61843242, 92764863, 121716954, 185529726, 1061642321, 2123284642, 3184926963, 6369853926, 9554780889, 19109561778]

約数ペア:

[(1, 19109561778), (2, 9554780889), (3, 6369853926), (6, 3184926963), (9, 2123284642), (18, 1061642321), (103, 185529726), (157, 121716954), (206, 92764863), (309, 61843242), (314, 60858477), (471, 40572318), (618, 30921621), (927, 20614414), (942, 20286159), (1413, 13524106), (1854, 10307207), (2826, 6762053), (16171, 1181718), (32342, 590859), (48513, 393906), (65651, 291078), (97026, 196953), (131302, 145539)]