19435920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 71995392

約数和(自身を除く): 52559472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 503, 552, 560, 644, 690, 805, 840, 920, 966, 1006, 1104, 1288, 1380, 1509, 1610, 1680, 1840, 1932, 2012, 2415, 2515, 2576, 2760, 3018, 3220, 3521, 3864, 4024, 4830, 5030, 5520, 6036, 6440, 7042, 7545, 7728, 8048, 9660, 10060, 10563, 11569, 12072, 12880, 14084, 15090, 17605, 19320, 20120, 21126, 23138, 24144, 28168, 30180, 34707, 35210, 38640, 40240, 42252, 46276, 52815, 56336, 57845, 60360, 69414, 70420, 80983, 84504, 92552, 105630, 115690, 120720, 138828, 140840, 161966, 169008, 173535, 185104, 211260, 231380, 242949, 277656, 281680, 323932, 347070, 404915, 422520, 462760, 485898, 555312, 647864, 694140, 809830, 845040, 925520, 971796, 1214745, 1295728, 1388280, 1619660, 1943592, 2429490, 2776560, 3239320, 3887184, 4858980, 6478640, 9717960, 19435920]

約数ペア:

[(1, 19435920), (2, 9717960), (3, 6478640), (4, 4858980), (5, 3887184), (6, 3239320), (7, 2776560), (8, 2429490), (10, 1943592), (12, 1619660), (14, 1388280), (15, 1295728), (16, 1214745), (20, 971796), (21, 925520), (23, 845040), (24, 809830), (28, 694140), (30, 647864), (35, 555312), (40, 485898), (42, 462760), (46, 422520), (48, 404915), (56, 347070), (60, 323932), (69, 281680), (70, 277656), (80, 242949), (84, 231380), (92, 211260), (105, 185104), (112, 173535), (115, 169008), (120, 161966), (138, 140840), (140, 138828), (161, 120720), (168, 115690), (184, 105630), (210, 92552), (230, 84504), (240, 80983), (276, 70420), (280, 69414), (322, 60360), (336, 57845), (345, 56336), (368, 52815), (420, 46276), (460, 42252), (483, 40240), (503, 38640), (552, 35210), (560, 34707), (644, 30180), (690, 28168), (805, 24144), (840, 23138), (920, 21126), (966, 20120), (1006, 19320), (1104, 17605), (1288, 15090), (1380, 14084), (1509, 12880), (1610, 12072), (1680, 11569), (1840, 10563), (1932, 10060), (2012, 9660), (2415, 8048), (2515, 7728), (2576, 7545), (2760, 7042), (3018, 6440), (3220, 6036), (3521, 5520), (3864, 5030), (4024, 4830)]