17967311990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2939}}^1\times {\mathrm{6869}}^1$

素因数の和:9904

約数の個数: 32

約数和(自身を含む): 32720436000

約数和(自身を除く): 14753124010

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2939, 5878, 6869, 13738, 14695, 29390, 34345, 68690, 261571, 523142, 611341, 1222682, 1307855, 2615710, 3056705, 6113410, 20187991, 40375982, 100939955, 201879910, 1796731199, 3593462398, 8983655995, 17967311990]

約数ペア:

[(1, 17967311990), (2, 8983655995), (5, 3593462398), (10, 1796731199), (89, 201879910), (178, 100939955), (445, 40375982), (890, 20187991), (2939, 6113410), (5878, 3056705), (6869, 2615710), (13738, 1307855), (14695, 1222682), (29390, 611341), (34345, 523142), (68690, 261571)]