18141417

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1378

約数の個数: 36

約数和(自身を含む): 31489536

約数和(自身を除く): 13348119

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1327, 1519, 1953, 3981, 4557, 9289, 11943, 13671, 27867, 41137, 65023, 83601, 123411, 195069, 287959, 370233, 585207, 863877, 2015713, 2591631, 6047139, 18141417]

約数ペア:

[(1, 18141417), (3, 6047139), (7, 2591631), (9, 2015713), (21, 863877), (31, 585207), (49, 370233), (63, 287959), (93, 195069), (147, 123411), (217, 83601), (279, 65023), (441, 41137), (651, 27867), (1327, 13671), (1519, 11943), (1953, 9289), (3981, 4557)]