19605285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 39262080

約数和(自身を除く): 19656795

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 571, 763, 981, 1635, 1713, 2289, 2855, 3815, 3997, 4905, 5139, 6867, 8565, 11445, 11991, 19985, 25695, 34335, 35973, 59955, 62239, 179865, 186717, 311195, 435673, 560151, 933585, 1307019, 2178365, 2800755, 3921057, 6535095, 19605285]

約数ペア:

[(1, 19605285), (3, 6535095), (5, 3921057), (7, 2800755), (9, 2178365), (15, 1307019), (21, 933585), (35, 560151), (45, 435673), (63, 311195), (105, 186717), (109, 179865), (315, 62239), (327, 59955), (545, 35973), (571, 34335), (763, 25695), (981, 19985), (1635, 11991), (1713, 11445), (2289, 8565), (2855, 6867), (3815, 5139), (3997, 4905)]