18715377994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1\times {\mathrm{3617}}^1$

素因数の和:4458

約数の個数: 32

約数和(自身を含む): 29129965200

約数和(自身を除く): 10414587206

約数列:

[1, 2, 41, 82, 89, 178, 709, 1418, 3617, 3649, 7234, 7298, 29069, 58138, 63101, 126202, 148297, 296594, 321913, 643826, 2564453, 2587141, 5128906, 5174282, 13198433, 26396866, 105142573, 210285146, 228236317, 456472634, 9357688997, 18715377994]

約数ペア:

[(1, 18715377994), (2, 9357688997), (41, 456472634), (82, 228236317), (89, 210285146), (178, 105142573), (709, 26396866), (1418, 13198433), (3617, 5174282), (3649, 5128906), (7234, 2587141), (7298, 2564453), (29069, 643826), (58138, 321913), (63101, 296594), (126202, 148297)]