18855424

素因数分解:

$2^9\times 7^1\times {\mathrm{5261}}^1$

素因数の和:5286

約数の個数: 40

約数和(自身を含む): 43064208

約数和(自身を除く): 24208784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5261, 10522, 21044, 36827, 42088, 73654, 84176, 147308, 168352, 294616, 336704, 589232, 673408, 1178464, 1346816, 2356928, 2693632, 4713856, 9427712, 18855424]

約数ペア:

[(1, 18855424), (2, 9427712), (4, 4713856), (7, 2693632), (8, 2356928), (14, 1346816), (16, 1178464), (28, 673408), (32, 589232), (56, 336704), (64, 294616), (112, 168352), (128, 147308), (224, 84176), (256, 73654), (448, 42088), (512, 36827), (896, 21044), (1792, 10522), (3584, 5261)]