19825560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 69260400

約数和(自身を除く): 49434840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 211, 216, 232, 261, 270, 290, 324, 348, 360, 405, 422, 435, 522, 540, 580, 633, 648, 696, 783, 810, 844, 870, 1044, 1055, 1080, 1160, 1266, 1305, 1566, 1620, 1688, 1740, 1899, 2088, 2110, 2349, 2532, 2610, 3132, 3165, 3240, 3480, 3798, 3915, 4220, 4698, 5064, 5220, 5697, 6119, 6264, 6330, 7596, 7830, 8440, 9396, 9495, 10440, 11394, 11745, 12238, 12660, 15192, 15660, 17091, 18357, 18792, 18990, 22788, 23490, 24476, 25320, 28485, 30595, 31320, 34182, 36714, 37980, 45576, 46980, 48952, 55071, 56970, 61190, 68364, 73428, 75960, 85455, 91785, 93960, 110142, 113940, 122380, 136728, 146856, 165213, 170910, 183570, 220284, 227880, 244760, 275355, 330426, 341820, 367140, 440568, 495639, 550710, 660852, 683640, 734280, 826065, 991278, 1101420, 1321704, 1652130, 1982556, 2202840, 2478195, 3304260, 3965112, 4956390, 6608520, 9912780, 19825560]

約数ペア:

[(1, 19825560), (2, 9912780), (3, 6608520), (4, 4956390), (5, 3965112), (6, 3304260), (8, 2478195), (9, 2202840), (10, 1982556), (12, 1652130), (15, 1321704), (18, 1101420), (20, 991278), (24, 826065), (27, 734280), (29, 683640), (30, 660852), (36, 550710), (40, 495639), (45, 440568), (54, 367140), (58, 341820), (60, 330426), (72, 275355), (81, 244760), (87, 227880), (90, 220284), (108, 183570), (116, 170910), (120, 165213), (135, 146856), (145, 136728), (162, 122380), (174, 113940), (180, 110142), (211, 93960), (216, 91785), (232, 85455), (261, 75960), (270, 73428), (290, 68364), (324, 61190), (348, 56970), (360, 55071), (405, 48952), (422, 46980), (435, 45576), (522, 37980), (540, 36714), (580, 34182), (633, 31320), (648, 30595), (696, 28485), (783, 25320), (810, 24476), (844, 23490), (870, 22788), (1044, 18990), (1055, 18792), (1080, 18357), (1160, 17091), (1266, 15660), (1305, 15192), (1566, 12660), (1620, 12238), (1688, 11745), (1740, 11394), (1899, 10440), (2088, 9495), (2110, 9396), (2349, 8440), (2532, 7830), (2610, 7596), (3132, 6330), (3165, 6264), (3240, 6119), (3480, 5697), (3798, 5220), (3915, 5064), (4220, 4698)]