18987674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 31597776

約数和(自身を除く): 12610102

約数列:

[1, 2, 17, 34, 41, 53, 82, 106, 257, 514, 697, 901, 1394, 1802, 2173, 4346, 4369, 8738, 10537, 13621, 21074, 27242, 36941, 73882, 179129, 231557, 358258, 463114, 558461, 1116922, 9493837, 18987674]

約数ペア:

[(1, 18987674), (2, 9493837), (17, 1116922), (34, 558461), (41, 463114), (53, 358258), (82, 231557), (106, 179129), (257, 73882), (514, 36941), (697, 27242), (901, 21074), (1394, 13621), (1802, 10537), (2173, 8738), (4346, 4369)]