18269728

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 38054016

約数和(自身を除く): 19784288

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 103, 184, 206, 241, 368, 412, 482, 736, 824, 964, 1648, 1928, 2369, 3296, 3856, 4738, 5543, 7712, 9476, 11086, 18952, 22172, 24823, 37904, 44344, 49646, 75808, 88688, 99292, 177376, 198584, 397168, 570929, 794336, 1141858, 2283716, 4567432, 9134864, 18269728]

約数ペア:

[(1, 18269728), (2, 9134864), (4, 4567432), (8, 2283716), (16, 1141858), (23, 794336), (32, 570929), (46, 397168), (92, 198584), (103, 177376), (184, 99292), (206, 88688), (241, 75808), (368, 49646), (412, 44344), (482, 37904), (736, 24823), (824, 22172), (964, 18952), (1648, 11086), (1928, 9476), (2369, 7712), (3296, 5543), (3856, 4738)]