18872560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 32124176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 503, 536, 560, 670, 938, 1006, 1072, 1340, 1876, 2012, 2345, 2515, 2680, 3521, 3752, 4024, 4690, 5030, 5360, 7042, 7504, 8048, 9380, 10060, 14084, 17605, 18760, 20120, 28168, 33701, 35210, 37520, 40240, 56336, 67402, 70420, 134804, 140840, 168505, 235907, 269608, 281680, 337010, 471814, 539216, 674020, 943628, 1179535, 1348040, 1887256, 2359070, 2696080, 3774512, 4718140, 9436280, 18872560]

約数ペア:

[(1, 18872560), (2, 9436280), (4, 4718140), (5, 3774512), (7, 2696080), (8, 2359070), (10, 1887256), (14, 1348040), (16, 1179535), (20, 943628), (28, 674020), (35, 539216), (40, 471814), (56, 337010), (67, 281680), (70, 269608), (80, 235907), (112, 168505), (134, 140840), (140, 134804), (268, 70420), (280, 67402), (335, 56336), (469, 40240), (503, 37520), (536, 35210), (560, 33701), (670, 28168), (938, 20120), (1006, 18760), (1072, 17605), (1340, 14084), (1876, 10060), (2012, 9380), (2345, 8048), (2515, 7504), (2680, 7042), (3521, 5360), (3752, 5030), (4024, 4690)]