18072558224

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{642877}}^1$

素因数の和:643143

約数の個数: 40

約数和(自身を含む): 40177303488

約数和(自身を除く): 22104745264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 1004, 1757, 2008, 3514, 4016, 7028, 14056, 28112, 642877, 1285754, 2571508, 4500139, 5143016, 9000278, 10286032, 18000556, 36001112, 72002224, 161362127, 322724254, 645448508, 1129534889, 1290897016, 2259069778, 2581794032, 4518139556, 9036279112, 18072558224]

約数ペア:

[(1, 18072558224), (2, 9036279112), (4, 4518139556), (7, 2581794032), (8, 2259069778), (14, 1290897016), (16, 1129534889), (28, 645448508), (56, 322724254), (112, 161362127), (251, 72002224), (502, 36001112), (1004, 18000556), (1757, 10286032), (2008, 9000278), (3514, 5143016), (4016, 4500139), (7028, 2571508), (14056, 1285754), (28112, 642877)]