19724937768

素因数分解:

$2^3\times 3^2\times {\mathrm{1951}}^1\times {\mathrm{140419}}^1$

素因数の和:142382

約数の個数: 48

約数和(自身を含む): 53449468800

約数和(自身を除く): 33724531032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1951, 3902, 5853, 7804, 11706, 15608, 17559, 23412, 35118, 46824, 70236, 140419, 140472, 280838, 421257, 561676, 842514, 1123352, 1263771, 1685028, 2527542, 3370056, 5055084, 10110168, 273957469, 547914938, 821872407, 1095829876, 1643744814, 2191659752, 2465617221, 3287489628, 4931234442, 6574979256, 9862468884, 19724937768]

約数ペア:

[(1, 19724937768), (2, 9862468884), (3, 6574979256), (4, 4931234442), (6, 3287489628), (8, 2465617221), (9, 2191659752), (12, 1643744814), (18, 1095829876), (24, 821872407), (36, 547914938), (72, 273957469), (1951, 10110168), (3902, 5055084), (5853, 3370056), (7804, 2527542), (11706, 1685028), (15608, 1263771), (17559, 1123352), (23412, 842514), (35118, 561676), (46824, 421257), (70236, 280838), (140419, 140472)]