2019237376

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{303371}}^1$

素因数の和:303402

約数の個数: 40

約数和(自身を含む): 4344893784

約数和(自身を除く): 2325656408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 303371, 606742, 1213484, 2426968, 3943823, 4853936, 7887646, 9707872, 15775292, 19415744, 31550584, 38831488, 63101168, 77662976, 126202336, 155325952, 252404672, 504809344, 1009618688, 2019237376]

約数ペア:

[(1, 2019237376), (2, 1009618688), (4, 504809344), (8, 252404672), (13, 155325952), (16, 126202336), (26, 77662976), (32, 63101168), (52, 38831488), (64, 31550584), (104, 19415744), (128, 15775292), (208, 9707872), (256, 7887646), (416, 4853936), (512, 3943823), (832, 2426968), (1664, 1213484), (3328, 606742), (6656, 303371)]