19661860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57829}}^1$

素因数の和:57855

約数の個数: 24

約数和(自身を含む): 43719480

約数和(自身を除く): 24057620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57829, 115658, 231316, 289145, 578290, 983093, 1156580, 1966186, 3932372, 4915465, 9830930, 19661860]

約数ペア:

[(1, 19661860), (2, 9830930), (4, 4915465), (5, 3932372), (10, 1966186), (17, 1156580), (20, 983093), (34, 578290), (68, 289145), (85, 231316), (170, 115658), (340, 57829)]