19449339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 32169984

約数和(自身を除く): 12720645

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 373, 573, 1119, 1337, 2483, 2611, 4011, 4849, 7449, 7833, 14547, 17381, 33943, 52143, 71243, 101829, 213729, 498701, 926159, 1496103, 2778477, 6483113, 19449339]

約数ペア:

[(1, 19449339), (3, 6483113), (7, 2778477), (13, 1496103), (21, 926159), (39, 498701), (91, 213729), (191, 101829), (273, 71243), (373, 52143), (573, 33943), (1119, 17381), (1337, 14547), (2483, 7833), (2611, 7449), (4011, 4849)]