18218018518

素因数分解:

$2^1\times 7^1\times {\mathrm{31541}}^1\times {\mathrm{41257}}^1$

素因数の和:72807

約数の個数: 16

約数和(自身を含む): 31232636064

約数和(自身を除く): 13014617546

約数列:

[1, 2, 7, 14, 31541, 41257, 63082, 82514, 220787, 288799, 441574, 577598, 1301287037, 2602574074, 9109009259, 18218018518]

約数ペア:

[(1, 18218018518), (2, 9109009259), (7, 2602574074), (14, 1301287037), (31541, 577598), (41257, 441574), (63082, 288799), (82514, 220787)]