19239760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8293}}^1$

素因数の和:8335

約数の個数: 40

約数和(自身を含む): 46280520

約数和(自身を除く): 27040760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8293, 16586, 33172, 41465, 66344, 82930, 132688, 165860, 240497, 331720, 480994, 663440, 961988, 1202485, 1923976, 2404970, 3847952, 4809940, 9619880, 19239760]

約数ペア:

[(1, 19239760), (2, 9619880), (4, 4809940), (5, 3847952), (8, 2404970), (10, 1923976), (16, 1202485), (20, 961988), (29, 663440), (40, 480994), (58, 331720), (80, 240497), (116, 165860), (145, 132688), (232, 82930), (290, 66344), (464, 41465), (580, 33172), (1160, 16586), (2320, 8293)]