19935615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6547}}^1$

素因数の和:6591

約数の個数: 32

約数和(自身を含む): 37716480

約数和(自身を除く): 17780865

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6547, 19641, 32735, 45829, 98205, 137487, 189863, 229145, 569589, 687435, 949315, 1329041, 2847945, 3987123, 6645205, 19935615]

約数ペア:

[(1, 19935615), (3, 6645205), (5, 3987123), (7, 2847945), (15, 1329041), (21, 949315), (29, 687435), (35, 569589), (87, 229145), (105, 189863), (145, 137487), (203, 98205), (435, 45829), (609, 32735), (1015, 19641), (3045, 6547)]