18835688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1493}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 37648800

約数和(自身を除く): 18813112

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1493, 1577, 2986, 3154, 5972, 6308, 11944, 12616, 28367, 56734, 113468, 123919, 226936, 247838, 495676, 991352, 2354461, 4708922, 9417844, 18835688]

約数ペア:

[(1, 18835688), (2, 9417844), (4, 4708922), (8, 2354461), (19, 991352), (38, 495676), (76, 247838), (83, 226936), (152, 123919), (166, 113468), (332, 56734), (664, 28367), (1493, 12616), (1577, 11944), (2986, 6308), (3154, 5972)]