18886968

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{947}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 51391080

約数和(自身を除く): 32504112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 947, 1108, 1662, 1894, 2216, 2493, 2841, 3324, 3788, 4986, 5682, 6648, 7576, 8523, 9972, 11364, 17046, 19944, 22728, 34092, 68184, 262319, 524638, 786957, 1049276, 1573914, 2098552, 2360871, 3147828, 4721742, 6295656, 9443484, 18886968]

約数ペア:

[(1, 18886968), (2, 9443484), (3, 6295656), (4, 4721742), (6, 3147828), (8, 2360871), (9, 2098552), (12, 1573914), (18, 1049276), (24, 786957), (36, 524638), (72, 262319), (277, 68184), (554, 34092), (831, 22728), (947, 19944), (1108, 17046), (1662, 11364), (1894, 9972), (2216, 8523), (2493, 7576), (2841, 6648), (3324, 5682), (3788, 4986)]