19497918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 25499202

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 61, 66, 87, 122, 167, 174, 183, 319, 334, 366, 501, 638, 671, 957, 1002, 1342, 1769, 1837, 1914, 2013, 3538, 3674, 4026, 4843, 5307, 5511, 9686, 10187, 10614, 11022, 14529, 19459, 20374, 29058, 30561, 38918, 53273, 58377, 61122, 106546, 112057, 116754, 159819, 224114, 295423, 319638, 336171, 590846, 672342, 886269, 1772538, 3249653, 6499306, 9748959, 19497918]

約数ペア:

[(1, 19497918), (2, 9748959), (3, 6499306), (6, 3249653), (11, 1772538), (22, 886269), (29, 672342), (33, 590846), (58, 336171), (61, 319638), (66, 295423), (87, 224114), (122, 159819), (167, 116754), (174, 112057), (183, 106546), (319, 61122), (334, 58377), (366, 53273), (501, 38918), (638, 30561), (671, 29058), (957, 20374), (1002, 19459), (1342, 14529), (1769, 11022), (1837, 10614), (1914, 10187), (2013, 9686), (3538, 5511), (3674, 5307), (4026, 4843)]