18211728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{1051}}^1$

素因数の和:1100

約数の個数: 60

約数和(自身を含む): 49700688

約数和(自身を除く): 31488960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1051, 1083, 1444, 2102, 2166, 2888, 3153, 4204, 4332, 5776, 6306, 8408, 8664, 12612, 16816, 17328, 19969, 25224, 39938, 50448, 59907, 79876, 119814, 159752, 239628, 319504, 379411, 479256, 758822, 958512, 1138233, 1517644, 2276466, 3035288, 4552932, 6070576, 9105864, 18211728]

約数ペア:

[(1, 18211728), (2, 9105864), (3, 6070576), (4, 4552932), (6, 3035288), (8, 2276466), (12, 1517644), (16, 1138233), (19, 958512), (24, 758822), (38, 479256), (48, 379411), (57, 319504), (76, 239628), (114, 159752), (152, 119814), (228, 79876), (304, 59907), (361, 50448), (456, 39938), (722, 25224), (912, 19969), (1051, 17328), (1083, 16816), (1444, 12612), (2102, 8664), (2166, 8408), (2888, 6306), (3153, 5776), (4204, 4332)]