19402460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 32755492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 293, 301, 308, 385, 430, 473, 586, 602, 770, 860, 946, 1172, 1204, 1465, 1505, 1540, 1892, 2051, 2365, 2930, 3010, 3223, 3311, 4102, 4730, 5860, 6020, 6446, 6622, 8204, 9460, 10255, 12599, 12892, 13244, 16115, 16555, 20510, 22561, 25198, 32230, 33110, 41020, 45122, 50396, 62995, 64460, 66220, 88193, 90244, 112805, 125990, 138589, 176386, 225610, 251980, 277178, 352772, 440965, 451220, 554356, 692945, 881930, 970123, 1385890, 1763860, 1940246, 2771780, 3880492, 4850615, 9701230, 19402460]

約数ペア:

[(1, 19402460), (2, 9701230), (4, 4850615), (5, 3880492), (7, 2771780), (10, 1940246), (11, 1763860), (14, 1385890), (20, 970123), (22, 881930), (28, 692945), (35, 554356), (43, 451220), (44, 440965), (55, 352772), (70, 277178), (77, 251980), (86, 225610), (110, 176386), (140, 138589), (154, 125990), (172, 112805), (215, 90244), (220, 88193), (293, 66220), (301, 64460), (308, 62995), (385, 50396), (430, 45122), (473, 41020), (586, 33110), (602, 32230), (770, 25198), (860, 22561), (946, 20510), (1172, 16555), (1204, 16115), (1465, 13244), (1505, 12892), (1540, 12599), (1892, 10255), (2051, 9460), (2365, 8204), (2930, 6622), (3010, 6446), (3223, 6020), (3311, 5860), (4102, 4730)]