18972198

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 30172122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 947, 954, 1113, 1431, 1894, 2226, 2841, 2862, 3339, 5682, 6629, 6678, 8523, 10017, 13258, 17046, 19887, 20034, 25569, 39774, 50191, 51138, 59661, 100382, 119322, 150573, 178983, 301146, 351337, 357966, 451719, 702674, 903438, 1054011, 1355157, 2108022, 2710314, 3162033, 6324066, 9486099, 18972198]

約数ペア:

[(1, 18972198), (2, 9486099), (3, 6324066), (6, 3162033), (7, 2710314), (9, 2108022), (14, 1355157), (18, 1054011), (21, 903438), (27, 702674), (42, 451719), (53, 357966), (54, 351337), (63, 301146), (106, 178983), (126, 150573), (159, 119322), (189, 100382), (318, 59661), (371, 51138), (378, 50191), (477, 39774), (742, 25569), (947, 20034), (954, 19887), (1113, 17046), (1431, 13258), (1894, 10017), (2226, 8523), (2841, 6678), (2862, 6629), (3339, 5682)]