19385205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 37161600

約数和(自身を除く): 17776395

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 349, 483, 529, 805, 1047, 1587, 1745, 2415, 2443, 2645, 3703, 5235, 7329, 7935, 8027, 11109, 12215, 18515, 24081, 36645, 40135, 55545, 56189, 120405, 168567, 184621, 280945, 553863, 842835, 923105, 1292347, 2769315, 3877041, 6461735, 19385205]

約数ペア:

[(1, 19385205), (3, 6461735), (5, 3877041), (7, 2769315), (15, 1292347), (21, 923105), (23, 842835), (35, 553863), (69, 280945), (105, 184621), (115, 168567), (161, 120405), (345, 56189), (349, 55545), (483, 40135), (529, 36645), (805, 24081), (1047, 18515), (1587, 12215), (1745, 11109), (2415, 8027), (2443, 7935), (2645, 7329), (3703, 5235)]