18268712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 43683840

約数和(自身を除く): 25415128

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 631, 658, 1034, 1262, 1316, 2068, 2524, 2632, 3619, 4136, 4417, 5048, 6941, 7238, 8834, 13882, 14476, 17668, 27764, 28952, 29657, 35336, 48587, 55528, 59314, 97174, 118628, 194348, 207599, 237256, 326227, 388696, 415198, 652454, 830396, 1304908, 1660792, 2283589, 2609816, 4567178, 9134356, 18268712]

約数ペア:

[(1, 18268712), (2, 9134356), (4, 4567178), (7, 2609816), (8, 2283589), (11, 1660792), (14, 1304908), (22, 830396), (28, 652454), (44, 415198), (47, 388696), (56, 326227), (77, 237256), (88, 207599), (94, 194348), (154, 118628), (188, 97174), (308, 59314), (329, 55528), (376, 48587), (517, 35336), (616, 29657), (631, 28952), (658, 27764), (1034, 17668), (1262, 14476), (1316, 13882), (2068, 8834), (2524, 7238), (2632, 6941), (3619, 5048), (4136, 4417)]