19490060

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22845940

約数列:

[1, 2, 4, 5, 10, 20, 59, 83, 118, 166, 199, 236, 295, 332, 398, 415, 590, 796, 830, 995, 1180, 1660, 1990, 3980, 4897, 9794, 11741, 16517, 19588, 23482, 24485, 33034, 46964, 48970, 58705, 66068, 82585, 97940, 117410, 165170, 234820, 330340, 974503, 1949006, 3898012, 4872515, 9745030, 19490060]

約数ペア:

[(1, 19490060), (2, 9745030), (4, 4872515), (5, 3898012), (10, 1949006), (20, 974503), (59, 330340), (83, 234820), (118, 165170), (166, 117410), (199, 97940), (236, 82585), (295, 66068), (332, 58705), (398, 48970), (415, 46964), (590, 33034), (796, 24485), (830, 23482), (995, 19588), (1180, 16517), (1660, 11741), (1990, 9794), (3980, 4897)]