19441329664

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{807901}}^1$

素因数の和:807966

約数の個数: 40

約数和(自身を含む): 39671219808

約数和(自身を除く): 20229890144

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 1504, 3008, 6016, 12032, 24064, 807901, 1615802, 3231604, 6463208, 12926416, 25852832, 37971347, 51705664, 75942694, 103411328, 151885388, 206822656, 303770776, 413645312, 607541552, 1215083104, 2430166208, 4860332416, 9720664832, 19441329664]

約数ペア:

[(1, 19441329664), (2, 9720664832), (4, 4860332416), (8, 2430166208), (16, 1215083104), (32, 607541552), (47, 413645312), (64, 303770776), (94, 206822656), (128, 151885388), (188, 103411328), (256, 75942694), (376, 51705664), (512, 37971347), (752, 25852832), (1504, 12926416), (3008, 6463208), (6016, 3231604), (12032, 1615802), (24064, 807901)]