17966830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 20709266

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 991, 1295, 1813, 1982, 2590, 3626, 4955, 6937, 9065, 9910, 13874, 18130, 34685, 36667, 48559, 69370, 73334, 97118, 183335, 242795, 256669, 366670, 485590, 513338, 1283345, 1796683, 2566690, 3593366, 8983415, 17966830]

約数ペア:

[(1, 17966830), (2, 8983415), (5, 3593366), (7, 2566690), (10, 1796683), (14, 1283345), (35, 513338), (37, 485590), (49, 366670), (70, 256669), (74, 242795), (98, 183335), (185, 97118), (245, 73334), (259, 69370), (370, 48559), (490, 36667), (518, 34685), (991, 18130), (1295, 13874), (1813, 9910), (1982, 9065), (2590, 6937), (3626, 4955)]