19109640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 45586680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 467, 620, 660, 682, 744, 930, 934, 1023, 1240, 1320, 1364, 1401, 1705, 1860, 1868, 2046, 2335, 2728, 2802, 3410, 3720, 3736, 4092, 4670, 5115, 5137, 5604, 6820, 7005, 8184, 9340, 10230, 10274, 11208, 13640, 14010, 14477, 15411, 18680, 20460, 20548, 25685, 28020, 28954, 30822, 40920, 41096, 43431, 51370, 56040, 57908, 61644, 72385, 77055, 86862, 102740, 115816, 123288, 144770, 154110, 159247, 173724, 205480, 217155, 289540, 308220, 318494, 347448, 434310, 477741, 579080, 616440, 636988, 796235, 868620, 955482, 1273976, 1592470, 1737240, 1910964, 2388705, 3184940, 3821928, 4777410, 6369880, 9554820, 19109640]

約数ペア:

[(1, 19109640), (2, 9554820), (3, 6369880), (4, 4777410), (5, 3821928), (6, 3184940), (8, 2388705), (10, 1910964), (11, 1737240), (12, 1592470), (15, 1273976), (20, 955482), (22, 868620), (24, 796235), (30, 636988), (31, 616440), (33, 579080), (40, 477741), (44, 434310), (55, 347448), (60, 318494), (62, 308220), (66, 289540), (88, 217155), (93, 205480), (110, 173724), (120, 159247), (124, 154110), (132, 144770), (155, 123288), (165, 115816), (186, 102740), (220, 86862), (248, 77055), (264, 72385), (310, 61644), (330, 57908), (341, 56040), (372, 51370), (440, 43431), (465, 41096), (467, 40920), (620, 30822), (660, 28954), (682, 28020), (744, 25685), (930, 20548), (934, 20460), (1023, 18680), (1240, 15411), (1320, 14477), (1364, 14010), (1401, 13640), (1705, 11208), (1860, 10274), (1868, 10230), (2046, 9340), (2335, 8184), (2728, 7005), (2802, 6820), (3410, 5604), (3720, 5137), (3736, 5115), (4092, 4670)]