19070828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 39911424

約数和(自身を除く): 20840596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 173, 217, 254, 346, 434, 508, 692, 868, 889, 1211, 1778, 2422, 3556, 3937, 4844, 5363, 7874, 10726, 15748, 21452, 21971, 27559, 37541, 43942, 55118, 75082, 87884, 110236, 150164, 153797, 307594, 615188, 681101, 1362202, 2724404, 4767707, 9535414, 19070828]

約数ペア:

[(1, 19070828), (2, 9535414), (4, 4767707), (7, 2724404), (14, 1362202), (28, 681101), (31, 615188), (62, 307594), (124, 153797), (127, 150164), (173, 110236), (217, 87884), (254, 75082), (346, 55118), (434, 43942), (508, 37541), (692, 27559), (868, 21971), (889, 21452), (1211, 15748), (1778, 10726), (2422, 7874), (3556, 5363), (3937, 4844)]