19670865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 34294848

約数和(自身を除く): 14623983

約数列:

[1, 3, 5, 15, 23, 37, 67, 69, 111, 115, 185, 201, 335, 345, 529, 555, 851, 1005, 1541, 1587, 2479, 2553, 2645, 4255, 4623, 7437, 7705, 7935, 12395, 12765, 19573, 23115, 35443, 37185, 57017, 58719, 97865, 106329, 171051, 177215, 285085, 293595, 531645, 855255, 1311391, 3934173, 6556955, 19670865]

約数ペア:

[(1, 19670865), (3, 6556955), (5, 3934173), (15, 1311391), (23, 855255), (37, 531645), (67, 293595), (69, 285085), (111, 177215), (115, 171051), (185, 106329), (201, 97865), (335, 58719), (345, 57017), (529, 37185), (555, 35443), (851, 23115), (1005, 19573), (1541, 12765), (1587, 12395), (2479, 7935), (2553, 7705), (2645, 7437), (4255, 4623)]