19798832

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20198608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 223, 248, 358, 446, 496, 716, 892, 1432, 1784, 2864, 3568, 5549, 6913, 11098, 13826, 22196, 27652, 39917, 44392, 55304, 79834, 88784, 110608, 159668, 319336, 638672, 1237427, 2474854, 4949708, 9899416, 19798832]

約数ペア:

[(1, 19798832), (2, 9899416), (4, 4949708), (8, 2474854), (16, 1237427), (31, 638672), (62, 319336), (124, 159668), (179, 110608), (223, 88784), (248, 79834), (358, 55304), (446, 44392), (496, 39917), (716, 27652), (892, 22196), (1432, 13826), (1784, 11098), (2864, 6913), (3568, 5549)]