18717192

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20022

約数の個数: 48

約数和(自身を含む): 54594540

約数和(自身を除く): 35877348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 19997, 39994, 59991, 79988, 119982, 159976, 179973, 239964, 259961, 359946, 479928, 519922, 719892, 779883, 1039844, 1439784, 1559766, 2079688, 2339649, 3119532, 4679298, 6239064, 9358596, 18717192]

約数ペア:

[(1, 18717192), (2, 9358596), (3, 6239064), (4, 4679298), (6, 3119532), (8, 2339649), (9, 2079688), (12, 1559766), (13, 1439784), (18, 1039844), (24, 779883), (26, 719892), (36, 519922), (39, 479928), (52, 359946), (72, 259961), (78, 239964), (104, 179973), (117, 159976), (156, 119982), (234, 79988), (312, 59991), (468, 39994), (936, 19997)]