19197880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36919}}^1$

素因数の和:36943

約数の個数: 32

約数和(自身を含む): 46519200

約数和(自身を除く): 27321320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36919, 73838, 147676, 184595, 295352, 369190, 479947, 738380, 959894, 1476760, 1919788, 2399735, 3839576, 4799470, 9598940, 19197880]

約数ペア:

[(1, 19197880), (2, 9598940), (4, 4799470), (5, 3839576), (8, 2399735), (10, 1919788), (13, 1476760), (20, 959894), (26, 738380), (40, 479947), (52, 369190), (65, 295352), (104, 184595), (130, 147676), (260, 73838), (520, 36919)]