19045440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 168

約数和(自身を含む): 69540120

約数和(自身を除く): 50494680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 389, 408, 480, 510, 544, 576, 612, 680, 720, 765, 778, 816, 960, 1020, 1088, 1167, 1224, 1360, 1440, 1530, 1556, 1632, 1945, 2040, 2334, 2448, 2720, 2880, 3060, 3112, 3264, 3501, 3890, 4080, 4668, 4896, 5440, 5835, 6120, 6224, 6613, 7002, 7780, 8160, 9336, 9792, 11670, 12240, 12448, 13226, 14004, 15560, 16320, 17505, 18672, 19839, 23340, 24480, 24896, 26452, 28008, 31120, 33065, 35010, 37344, 39678, 46680, 48960, 52904, 56016, 59517, 62240, 66130, 70020, 74688, 79356, 93360, 99195, 105808, 112032, 119034, 124480, 132260, 140040, 158712, 186720, 198390, 211616, 224064, 238068, 264520, 280080, 297585, 317424, 373440, 396780, 423232, 476136, 529040, 560160, 595170, 634848, 793560, 952272, 1058080, 1120320, 1190340, 1269696, 1587120, 1904544, 2116160, 2380680, 3174240, 3809088, 4761360, 6348480, 9522720, 19045440]

約数ペア:

[(1, 19045440), (2, 9522720), (3, 6348480), (4, 4761360), (5, 3809088), (6, 3174240), (8, 2380680), (9, 2116160), (10, 1904544), (12, 1587120), (15, 1269696), (16, 1190340), (17, 1120320), (18, 1058080), (20, 952272), (24, 793560), (30, 634848), (32, 595170), (34, 560160), (36, 529040), (40, 476136), (45, 423232), (48, 396780), (51, 373440), (60, 317424), (64, 297585), (68, 280080), (72, 264520), (80, 238068), (85, 224064), (90, 211616), (96, 198390), (102, 186720), (120, 158712), (136, 140040), (144, 132260), (153, 124480), (160, 119034), (170, 112032), (180, 105808), (192, 99195), (204, 93360), (240, 79356), (255, 74688), (272, 70020), (288, 66130), (306, 62240), (320, 59517), (340, 56016), (360, 52904), (389, 48960), (408, 46680), (480, 39678), (510, 37344), (544, 35010), (576, 33065), (612, 31120), (680, 28008), (720, 26452), (765, 24896), (778, 24480), (816, 23340), (960, 19839), (1020, 18672), (1088, 17505), (1167, 16320), (1224, 15560), (1360, 14004), (1440, 13226), (1530, 12448), (1556, 12240), (1632, 11670), (1945, 9792), (2040, 9336), (2334, 8160), (2448, 7780), (2720, 7002), (2880, 6613), (3060, 6224), (3112, 6120), (3264, 5835), (3501, 5440), (3890, 4896), (4080, 4668)]