18294560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 43659000

約数和(自身を除く): 25364440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1049, 1090, 1744, 2098, 2180, 3488, 4196, 4360, 5245, 8392, 8720, 10490, 16784, 17440, 20980, 33568, 41960, 83920, 114341, 167840, 228682, 457364, 571705, 914728, 1143410, 1829456, 2286820, 3658912, 4573640, 9147280, 18294560]

約数ペア:

[(1, 18294560), (2, 9147280), (4, 4573640), (5, 3658912), (8, 2286820), (10, 1829456), (16, 1143410), (20, 914728), (32, 571705), (40, 457364), (80, 228682), (109, 167840), (160, 114341), (218, 83920), (436, 41960), (545, 33568), (872, 20980), (1049, 17440), (1090, 16784), (1744, 10490), (2098, 8720), (2180, 8392), (3488, 5245), (4196, 4360)]