19391960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69257}}^1$

素因数の和:69275

約数の個数: 32

約数和(自身を含む): 49865760

約数和(自身を除く): 30473800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69257, 138514, 277028, 346285, 484799, 554056, 692570, 969598, 1385140, 1939196, 2423995, 2770280, 3878392, 4847990, 9695980, 19391960]

約数ペア:

[(1, 19391960), (2, 9695980), (4, 4847990), (5, 3878392), (7, 2770280), (8, 2423995), (10, 1939196), (14, 1385140), (20, 969598), (28, 692570), (35, 554056), (40, 484799), (56, 346285), (70, 277028), (140, 138514), (280, 69257)]