19675150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 20822258

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 110, 166, 275, 415, 431, 550, 830, 862, 913, 1826, 2075, 2155, 4150, 4310, 4565, 4741, 9130, 9482, 10775, 21550, 22825, 23705, 35773, 45650, 47410, 71546, 118525, 178865, 237050, 357730, 393503, 787006, 894325, 1788650, 1967515, 3935030, 9837575, 19675150]

約数ペア:

[(1, 19675150), (2, 9837575), (5, 3935030), (10, 1967515), (11, 1788650), (22, 894325), (25, 787006), (50, 393503), (55, 357730), (83, 237050), (110, 178865), (166, 118525), (275, 71546), (415, 47410), (431, 45650), (550, 35773), (830, 23705), (862, 22825), (913, 21550), (1826, 10775), (2075, 9482), (2155, 9130), (4150, 4741), (4310, 4565)]