18121754

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 32199552

約数和(自身を除く): 14077798

約数列:

[1, 2, 7, 14, 41, 82, 131, 241, 262, 287, 482, 574, 917, 1687, 1834, 3374, 5371, 9881, 10742, 19762, 31571, 37597, 63142, 69167, 75194, 138334, 220997, 441994, 1294411, 2588822, 9060877, 18121754]

約数ペア:

[(1, 18121754), (2, 9060877), (7, 2588822), (14, 1294411), (41, 441994), (82, 220997), (131, 138334), (241, 75194), (262, 69167), (287, 63142), (482, 37597), (574, 31571), (917, 19762), (1687, 10742), (1834, 9881), (3374, 5371)]