19515615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8081}}^1$

素因数の和:8119

約数の個数: 32

約数和(自身を含む): 37241856

約数和(自身を除く): 17726241

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8081, 24243, 40405, 56567, 121215, 169701, 185863, 282835, 557589, 848505, 929315, 1301041, 2787945, 3903123, 6505205, 19515615]

約数ペア:

[(1, 19515615), (3, 6505205), (5, 3903123), (7, 2787945), (15, 1301041), (21, 929315), (23, 848505), (35, 557589), (69, 282835), (105, 185863), (115, 169701), (161, 121215), (345, 56567), (483, 40405), (805, 24243), (2415, 8081)]