17979768

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 51480000

約数和(自身を除く): 33500232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 79, 87, 109, 116, 158, 174, 218, 232, 237, 261, 316, 327, 348, 436, 474, 522, 632, 654, 696, 711, 872, 948, 981, 1044, 1308, 1422, 1896, 1962, 2088, 2291, 2616, 2844, 3161, 3924, 4582, 5688, 6322, 6873, 7848, 8611, 9164, 9483, 12644, 13746, 17222, 18328, 18966, 20619, 25288, 25833, 27492, 28449, 34444, 37932, 41238, 51666, 54984, 56898, 68888, 75864, 77499, 82476, 103332, 113796, 154998, 164952, 206664, 227592, 249719, 309996, 499438, 619992, 749157, 998876, 1498314, 1997752, 2247471, 2996628, 4494942, 5993256, 8989884, 17979768]

約数ペア:

[(1, 17979768), (2, 8989884), (3, 5993256), (4, 4494942), (6, 2996628), (8, 2247471), (9, 1997752), (12, 1498314), (18, 998876), (24, 749157), (29, 619992), (36, 499438), (58, 309996), (72, 249719), (79, 227592), (87, 206664), (109, 164952), (116, 154998), (158, 113796), (174, 103332), (218, 82476), (232, 77499), (237, 75864), (261, 68888), (316, 56898), (327, 54984), (348, 51666), (436, 41238), (474, 37932), (522, 34444), (632, 28449), (654, 27492), (696, 25833), (711, 25288), (872, 20619), (948, 18966), (981, 18328), (1044, 17222), (1308, 13746), (1422, 12644), (1896, 9483), (1962, 9164), (2088, 8611), (2291, 7848), (2616, 6873), (2844, 6322), (3161, 5688), (3924, 4582)]