19971378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5159

約数の個数: 48

約数和(自身を含む): 51058176

約数和(自身を除く): 31086798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5113, 10226, 15339, 30678, 35791, 46017, 71582, 92034, 107373, 158503, 214746, 317006, 322119, 475509, 644238, 951018, 1109521, 1426527, 2219042, 2853054, 3328563, 6657126, 9985689, 19971378]

約数ペア:

[(1, 19971378), (2, 9985689), (3, 6657126), (6, 3328563), (7, 2853054), (9, 2219042), (14, 1426527), (18, 1109521), (21, 951018), (31, 644238), (42, 475509), (62, 322119), (63, 317006), (93, 214746), (126, 158503), (186, 107373), (217, 92034), (279, 71582), (434, 46017), (558, 35791), (651, 30678), (1302, 15339), (1953, 10226), (3906, 5113)]