19542016

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:404

約数の個数: 52

約数和(自身を含む): 42200032

約数和(自身を除く): 22658016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 367, 416, 512, 734, 832, 1024, 1468, 1664, 2048, 2936, 3328, 4096, 4771, 5872, 6656, 9542, 11744, 13312, 19084, 23488, 26624, 38168, 46976, 53248, 76336, 93952, 152672, 187904, 305344, 375808, 610688, 751616, 1221376, 1503232, 2442752, 4885504, 9771008, 19542016]

約数ペア:

[(1, 19542016), (2, 9771008), (4, 4885504), (8, 2442752), (13, 1503232), (16, 1221376), (26, 751616), (32, 610688), (52, 375808), (64, 305344), (104, 187904), (128, 152672), (208, 93952), (256, 76336), (367, 53248), (416, 46976), (512, 38168), (734, 26624), (832, 23488), (1024, 19084), (1468, 13312), (1664, 11744), (2048, 9542), (2936, 6656), (3328, 5872), (4096, 4771)]