19310520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42897480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 179, 186, 232, 248, 290, 310, 348, 358, 372, 435, 465, 537, 580, 620, 696, 716, 744, 870, 895, 899, 930, 1074, 1160, 1240, 1432, 1740, 1790, 1798, 1860, 2148, 2685, 2697, 3480, 3580, 3596, 3720, 4296, 4495, 5191, 5370, 5394, 5549, 7160, 7192, 8990, 10382, 10740, 10788, 11098, 13485, 15573, 16647, 17980, 20764, 21480, 21576, 22196, 25955, 26970, 27745, 31146, 33294, 35960, 41528, 44392, 51910, 53940, 55490, 62292, 66588, 77865, 83235, 103820, 107880, 110980, 124584, 133176, 155730, 160921, 166470, 207640, 221960, 311460, 321842, 332940, 482763, 622920, 643684, 665880, 804605, 965526, 1287368, 1609210, 1931052, 2413815, 3218420, 3862104, 4827630, 6436840, 9655260, 19310520]

約数ペア:

[(1, 19310520), (2, 9655260), (3, 6436840), (4, 4827630), (5, 3862104), (6, 3218420), (8, 2413815), (10, 1931052), (12, 1609210), (15, 1287368), (20, 965526), (24, 804605), (29, 665880), (30, 643684), (31, 622920), (40, 482763), (58, 332940), (60, 321842), (62, 311460), (87, 221960), (93, 207640), (116, 166470), (120, 160921), (124, 155730), (145, 133176), (155, 124584), (174, 110980), (179, 107880), (186, 103820), (232, 83235), (248, 77865), (290, 66588), (310, 62292), (348, 55490), (358, 53940), (372, 51910), (435, 44392), (465, 41528), (537, 35960), (580, 33294), (620, 31146), (696, 27745), (716, 26970), (744, 25955), (870, 22196), (895, 21576), (899, 21480), (930, 20764), (1074, 17980), (1160, 16647), (1240, 15573), (1432, 13485), (1740, 11098), (1790, 10788), (1798, 10740), (1860, 10382), (2148, 8990), (2685, 7192), (2697, 7160), (3480, 5549), (3580, 5394), (3596, 5370), (3720, 5191), (4296, 4495)]