19466920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 28796120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 293, 302, 440, 586, 604, 755, 1172, 1208, 1465, 1510, 1661, 2344, 2930, 3020, 3223, 3322, 5860, 6040, 6446, 6644, 8305, 11720, 12892, 13288, 16115, 16610, 25784, 32230, 33220, 44243, 64460, 66440, 88486, 128920, 176972, 221215, 353944, 442430, 486673, 884860, 973346, 1769720, 1946692, 2433365, 3893384, 4866730, 9733460, 19466920]

約数ペア:

[(1, 19466920), (2, 9733460), (4, 4866730), (5, 3893384), (8, 2433365), (10, 1946692), (11, 1769720), (20, 973346), (22, 884860), (40, 486673), (44, 442430), (55, 353944), (88, 221215), (110, 176972), (151, 128920), (220, 88486), (293, 66440), (302, 64460), (440, 44243), (586, 33220), (604, 32230), (755, 25784), (1172, 16610), (1208, 16115), (1465, 13288), (1510, 12892), (1661, 11720), (2344, 8305), (2930, 6644), (3020, 6446), (3223, 6040), (3322, 5860)]