19041776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2193

約数の個数: 40

約数和(自身を含む): 40674480

約数和(自身を除く): 21632704

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2129, 2236, 4258, 4472, 8516, 8944, 17032, 27677, 34064, 55354, 91547, 110708, 183094, 221416, 366188, 442832, 732376, 1190111, 1464752, 2380222, 4760444, 9520888, 19041776]

約数ペア:

[(1, 19041776), (2, 9520888), (4, 4760444), (8, 2380222), (13, 1464752), (16, 1190111), (26, 732376), (43, 442832), (52, 366188), (86, 221416), (104, 183094), (172, 110708), (208, 91547), (344, 55354), (559, 34064), (688, 27677), (1118, 17032), (2129, 8944), (2236, 8516), (4258, 4472)]