19898168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 39666000

約数和(自身を除く): 19767832

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1201, 2071, 2402, 4142, 4804, 8284, 9608, 16568, 22819, 45638, 91276, 130909, 182552, 261818, 523636, 1047272, 2487271, 4974542, 9949084, 19898168]

約数ペア:

[(1, 19898168), (2, 9949084), (4, 4974542), (8, 2487271), (19, 1047272), (38, 523636), (76, 261818), (109, 182552), (152, 130909), (218, 91276), (436, 45638), (872, 22819), (1201, 16568), (2071, 9608), (2402, 8284), (4142, 4804)]