15661087516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{19661}}^1$

素因数の和:19954

約数の個数: 48

約数和(自身を含む): 29596815360

約数和(自身を除く): 13935727844

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 223, 446, 892, 893, 1786, 3572, 4237, 8474, 10481, 16948, 19661, 20962, 39322, 41924, 78644, 199139, 373559, 398278, 747118, 796556, 924067, 1494236, 1848134, 3696268, 4384403, 8768806, 17537612, 17557273, 35114546, 70229092, 83303657, 166607314, 206066941, 333214628, 412133882, 824267764, 3915271879, 7830543758, 15661087516]

約数ペア:

[(1, 15661087516), (2, 7830543758), (4, 3915271879), (19, 824267764), (38, 412133882), (47, 333214628), (76, 206066941), (94, 166607314), (188, 83303657), (223, 70229092), (446, 35114546), (892, 17557273), (893, 17537612), (1786, 8768806), (3572, 4384403), (4237, 3696268), (8474, 1848134), (10481, 1494236), (16948, 924067), (19661, 796556), (20962, 747118), (39322, 398278), (41924, 373559), (78644, 199139)]