19764866

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 35163072

約数和(自身を除く): 15398206

約数列:

[1, 2, 11, 22, 23, 46, 53, 67, 106, 121, 134, 242, 253, 506, 583, 737, 1166, 1219, 1474, 1541, 2438, 2783, 3082, 3551, 5566, 6413, 7102, 8107, 12826, 13409, 16214, 16951, 26818, 33902, 39061, 78122, 81673, 147499, 163346, 186461, 294998, 372922, 429671, 859342, 898403, 1796806, 9882433, 19764866]

約数ペア:

[(1, 19764866), (2, 9882433), (11, 1796806), (22, 898403), (23, 859342), (46, 429671), (53, 372922), (67, 294998), (106, 186461), (121, 163346), (134, 147499), (242, 81673), (253, 78122), (506, 39061), (583, 33902), (737, 26818), (1166, 16951), (1219, 16214), (1474, 13409), (1541, 12826), (2438, 8107), (2783, 7102), (3082, 6413), (3551, 5566)]