19783115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 27482112

約数和(自身を除く): 7698997

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 283, 341, 451, 1271, 1415, 1705, 2255, 3113, 6355, 8773, 11603, 13981, 15565, 43865, 58015, 69905, 96503, 127633, 359693, 482515, 638165, 1798465, 3956623, 19783115]

約数ペア:

[(1, 19783115), (5, 3956623), (11, 1798465), (31, 638165), (41, 482515), (55, 359693), (155, 127633), (205, 96503), (283, 69905), (341, 58015), (451, 43865), (1271, 15565), (1415, 13981), (1705, 11603), (2255, 8773), (3113, 6355)]