19188488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 41558400

約数和(自身を除く): 22369912

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 73, 88, 103, 116, 146, 206, 232, 292, 319, 412, 584, 638, 803, 824, 1133, 1276, 1606, 2117, 2266, 2552, 2987, 3212, 4234, 4532, 5974, 6424, 7519, 8468, 9064, 11948, 15038, 16936, 23287, 23896, 30076, 32857, 46574, 60152, 65714, 82709, 93148, 131428, 165418, 186296, 218051, 262856, 330836, 436102, 661672, 872204, 1744408, 2398561, 4797122, 9594244, 19188488]

約数ペア:

[(1, 19188488), (2, 9594244), (4, 4797122), (8, 2398561), (11, 1744408), (22, 872204), (29, 661672), (44, 436102), (58, 330836), (73, 262856), (88, 218051), (103, 186296), (116, 165418), (146, 131428), (206, 93148), (232, 82709), (292, 65714), (319, 60152), (412, 46574), (584, 32857), (638, 30076), (803, 23896), (824, 23287), (1133, 16936), (1276, 15038), (1606, 11948), (2117, 9064), (2266, 8468), (2552, 7519), (2987, 6424), (3212, 5974), (4234, 4532)]