19994624

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 43112160

約数和(自身を除く): 23117536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 751, 832, 1024, 1502, 1664, 2048, 3004, 3328, 6008, 6656, 9763, 12016, 13312, 19526, 24032, 26624, 39052, 48064, 78104, 96128, 156208, 192256, 312416, 384512, 624832, 769024, 1249664, 1538048, 2499328, 4998656, 9997312, 19994624]

約数ペア:

[(1, 19994624), (2, 9997312), (4, 4998656), (8, 2499328), (13, 1538048), (16, 1249664), (26, 769024), (32, 624832), (52, 384512), (64, 312416), (104, 192256), (128, 156208), (208, 96128), (256, 78104), (416, 48064), (512, 39052), (751, 26624), (832, 24032), (1024, 19526), (1502, 13312), (1664, 12016), (2048, 9763), (3004, 6656), (3328, 6008)]