19607805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20749}}^1$

素因数の和:20770

約数の個数: 32

約数和(自身を含む): 39840000

約数和(自身を除く): 20232195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20749, 62247, 103745, 145243, 186741, 311235, 435729, 560223, 726215, 933705, 1307187, 2178645, 2801115, 3921561, 6535935, 19607805]

約数ペア:

[(1, 19607805), (3, 6535935), (5, 3921561), (7, 2801115), (9, 2178645), (15, 1307187), (21, 933705), (27, 726215), (35, 560223), (45, 435729), (63, 311235), (105, 186741), (135, 145243), (189, 103745), (315, 62247), (945, 20749)]