18178720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16231}}^1$

素因数の和:16253

約数の個数: 48

約数和(自身を含む): 49085568

約数和(自身を除く): 30906848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16231, 32462, 64924, 81155, 113617, 129848, 162310, 227234, 259696, 324620, 454468, 519392, 568085, 649240, 908936, 1136170, 1298480, 1817872, 2272340, 2596960, 3635744, 4544680, 9089360, 18178720]

約数ペア:

[(1, 18178720), (2, 9089360), (4, 4544680), (5, 3635744), (7, 2596960), (8, 2272340), (10, 1817872), (14, 1298480), (16, 1136170), (20, 908936), (28, 649240), (32, 568085), (35, 519392), (40, 454468), (56, 324620), (70, 259696), (80, 227234), (112, 162310), (140, 129848), (160, 113617), (224, 81155), (280, 64924), (560, 32462), (1120, 16231)]