18892144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 38747520

約数和(自身を除く): 19855376

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 929, 1271, 1858, 2542, 3716, 5084, 7432, 10168, 14864, 20336, 28799, 38089, 57598, 76178, 115196, 152356, 230392, 304712, 460784, 609424, 1180759, 2361518, 4723036, 9446072, 18892144]

約数ペア:

[(1, 18892144), (2, 9446072), (4, 4723036), (8, 2361518), (16, 1180759), (31, 609424), (41, 460784), (62, 304712), (82, 230392), (124, 152356), (164, 115196), (248, 76178), (328, 57598), (496, 38089), (656, 28799), (929, 20336), (1271, 14864), (1858, 10168), (2542, 7432), (3716, 5084)]