19518696

素因数分解:

$2^3\times 3^2\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 33552504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 419, 647, 838, 1257, 1294, 1676, 1941, 2514, 2588, 3352, 3771, 3882, 5028, 5176, 5823, 7542, 7764, 10056, 11646, 15084, 15528, 23292, 30168, 46584, 271093, 542186, 813279, 1084372, 1626558, 2168744, 2439837, 3253116, 4879674, 6506232, 9759348, 19518696]

約数ペア:

[(1, 19518696), (2, 9759348), (3, 6506232), (4, 4879674), (6, 3253116), (8, 2439837), (9, 2168744), (12, 1626558), (18, 1084372), (24, 813279), (36, 542186), (72, 271093), (419, 46584), (647, 30168), (838, 23292), (1257, 15528), (1294, 15084), (1676, 11646), (1941, 10056), (2514, 7764), (2588, 7542), (3352, 5823), (3771, 5176), (3882, 5028)]