19378989

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10607}}^1$

素因数の和:10649

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 13717971

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10607, 31821, 74249, 95463, 222747, 307603, 668241, 922809, 2153221, 2768427, 6459663, 19378989]

約数ペア:

[(1, 19378989), (3, 6459663), (7, 2768427), (9, 2153221), (21, 922809), (29, 668241), (63, 307603), (87, 222747), (203, 95463), (261, 74249), (609, 31821), (1827, 10607)]