19861440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1254

約数の個数: 112

約数和(自身を含む): 66824352

約数和(自身を除く): 46962912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1217, 1360, 1632, 2040, 2434, 2720, 3264, 3651, 4080, 4868, 5440, 6085, 7302, 8160, 9736, 12170, 14604, 16320, 18255, 19472, 20689, 24340, 29208, 36510, 38944, 41378, 48680, 58416, 62067, 73020, 77888, 82756, 97360, 103445, 116832, 124134, 146040, 165512, 194720, 206890, 233664, 248268, 292080, 310335, 331024, 389440, 413780, 496536, 584160, 620670, 662048, 827560, 993072, 1168320, 1241340, 1324096, 1655120, 1986144, 2482680, 3310240, 3972288, 4965360, 6620480, 9930720, 19861440]

約数ペア:

[(1, 19861440), (2, 9930720), (3, 6620480), (4, 4965360), (5, 3972288), (6, 3310240), (8, 2482680), (10, 1986144), (12, 1655120), (15, 1324096), (16, 1241340), (17, 1168320), (20, 993072), (24, 827560), (30, 662048), (32, 620670), (34, 584160), (40, 496536), (48, 413780), (51, 389440), (60, 331024), (64, 310335), (68, 292080), (80, 248268), (85, 233664), (96, 206890), (102, 194720), (120, 165512), (136, 146040), (160, 124134), (170, 116832), (192, 103445), (204, 97360), (240, 82756), (255, 77888), (272, 73020), (320, 62067), (340, 58416), (408, 48680), (480, 41378), (510, 38944), (544, 36510), (680, 29208), (816, 24340), (960, 20689), (1020, 19472), (1088, 18255), (1217, 16320), (1360, 14604), (1632, 12170), (2040, 9736), (2434, 8160), (2720, 7302), (3264, 6085), (3651, 5440), (4080, 4868)]