19861504

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:410

約数の個数: 52

約数和(自身を含む): 42888076

約数和(自身を除く): 23026572

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 373, 416, 512, 746, 832, 1024, 1492, 1664, 2048, 2984, 3328, 4096, 4849, 5968, 6656, 9698, 11936, 13312, 19396, 23872, 26624, 38792, 47744, 53248, 77584, 95488, 155168, 190976, 310336, 381952, 620672, 763904, 1241344, 1527808, 2482688, 4965376, 9930752, 19861504]

約数ペア:

[(1, 19861504), (2, 9930752), (4, 4965376), (8, 2482688), (13, 1527808), (16, 1241344), (26, 763904), (32, 620672), (52, 381952), (64, 310336), (104, 190976), (128, 155168), (208, 95488), (256, 77584), (373, 53248), (416, 47744), (512, 38792), (746, 26624), (832, 23872), (1024, 19396), (1492, 13312), (1664, 11936), (2048, 9698), (2984, 6656), (3328, 5968), (4096, 4849)]