19865748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3877}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 53857664

約数和(自身を除く): 33991916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 3877, 5124, 7754, 11631, 15508, 23262, 27139, 46524, 54278, 81417, 108556, 162834, 236497, 325668, 472994, 709491, 945988, 1418982, 1655479, 2837964, 3310958, 4966437, 6621916, 9932874, 19865748]

約数ペア:

[(1, 19865748), (2, 9932874), (3, 6621916), (4, 4966437), (6, 3310958), (7, 2837964), (12, 1655479), (14, 1418982), (21, 945988), (28, 709491), (42, 472994), (61, 325668), (84, 236497), (122, 162834), (183, 108556), (244, 81417), (366, 54278), (427, 46524), (732, 27139), (854, 23262), (1281, 15508), (1708, 11631), (2562, 7754), (3877, 5124)]