18914368

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 56

約数和(自身を含む): 41660064

約数和(自身を除く): 22745696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 134, 176, 268, 352, 401, 536, 704, 737, 802, 1072, 1474, 1604, 2144, 2948, 3208, 4288, 4411, 5896, 6416, 8822, 11792, 12832, 17644, 23584, 25664, 26867, 35288, 47168, 53734, 70576, 107468, 141152, 214936, 282304, 295537, 429872, 591074, 859744, 1182148, 1719488, 2364296, 4728592, 9457184, 18914368]

約数ペア:

[(1, 18914368), (2, 9457184), (4, 4728592), (8, 2364296), (11, 1719488), (16, 1182148), (22, 859744), (32, 591074), (44, 429872), (64, 295537), (67, 282304), (88, 214936), (134, 141152), (176, 107468), (268, 70576), (352, 53734), (401, 47168), (536, 35288), (704, 26867), (737, 25664), (802, 23584), (1072, 17644), (1474, 12832), (1604, 11792), (2144, 8822), (2948, 6416), (3208, 5896), (4288, 4411)]