18873694

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 14656418

約数列:

[1, 2, 7, 14, 41, 82, 131, 251, 262, 287, 502, 574, 917, 1757, 1834, 3514, 5371, 10291, 10742, 20582, 32881, 37597, 65762, 72037, 75194, 144074, 230167, 460334, 1348121, 2696242, 9436847, 18873694]

約数ペア:

[(1, 18873694), (2, 9436847), (7, 2696242), (14, 1348121), (41, 460334), (82, 230167), (131, 144074), (251, 75194), (262, 72037), (287, 65762), (502, 37597), (574, 32881), (917, 20582), (1757, 10742), (1834, 10291), (3514, 5371)]