12193940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 28607040

約数和(自身を除く): 16413100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1289, 1892, 2365, 2578, 4730, 5156, 6445, 9460, 12890, 14179, 25780, 28358, 55427, 56716, 70895, 110854, 141790, 221708, 277135, 283580, 554270, 609697, 1108540, 1219394, 2438788, 3048485, 6096970, 12193940]

約数ペア:

[(1, 12193940), (2, 6096970), (4, 3048485), (5, 2438788), (10, 1219394), (11, 1108540), (20, 609697), (22, 554270), (43, 283580), (44, 277135), (55, 221708), (86, 141790), (110, 110854), (172, 70895), (215, 56716), (220, 55427), (430, 28358), (473, 25780), (860, 14179), (946, 12890), (1289, 9460), (1892, 6445), (2365, 5156), (2578, 4730)]