19612760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11959}}^1$

素因数の和:12011

約数の個数: 32

約数和(自身を含む): 45208800

約数和(自身を除く): 25596040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11959, 23918, 47836, 59795, 95672, 119590, 239180, 478360, 490319, 980638, 1961276, 2451595, 3922552, 4903190, 9806380, 19612760]

約数ペア:

[(1, 19612760), (2, 9806380), (4, 4903190), (5, 3922552), (8, 2451595), (10, 1961276), (20, 980638), (40, 490319), (41, 478360), (82, 239180), (164, 119590), (205, 95672), (328, 59795), (410, 47836), (820, 23918), (1640, 11959)]