19301985

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1669}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 33607080

約数和(自身を除く): 14305095

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 1669, 2313, 3855, 5007, 8345, 11565, 15021, 25035, 75105, 428933, 1286799, 2144665, 3860397, 6433995, 19301985]

約数ペア:

[(1, 19301985), (3, 6433995), (5, 3860397), (9, 2144665), (15, 1286799), (45, 428933), (257, 75105), (771, 25035), (1285, 15021), (1669, 11565), (2313, 8345), (3855, 5007)]