19075140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15139}}^1$

素因数の和:15161

約数の個数: 72

約数和(自身を含む): 66131520

約数和(自身を除く): 47056380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15139, 30278, 45417, 60556, 75695, 90834, 105973, 136251, 151390, 181668, 211946, 227085, 272502, 302780, 317919, 423892, 454170, 529865, 545004, 635838, 681255, 908340, 953757, 1059730, 1271676, 1362510, 1589595, 1907514, 2119460, 2725020, 3179190, 3815028, 4768785, 6358380, 9537570, 19075140]

約数ペア:

[(1, 19075140), (2, 9537570), (3, 6358380), (4, 4768785), (5, 3815028), (6, 3179190), (7, 2725020), (9, 2119460), (10, 1907514), (12, 1589595), (14, 1362510), (15, 1271676), (18, 1059730), (20, 953757), (21, 908340), (28, 681255), (30, 635838), (35, 545004), (36, 529865), (42, 454170), (45, 423892), (60, 317919), (63, 302780), (70, 272502), (84, 227085), (90, 211946), (105, 181668), (126, 151390), (140, 136251), (180, 105973), (210, 90834), (252, 75695), (315, 60556), (420, 45417), (630, 30278), (1260, 15139)]