19325520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 160

約数和(自身を含む): 69638400

約数和(自身を除く): 50312880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 389, 414, 432, 460, 540, 552, 621, 690, 720, 778, 828, 920, 1035, 1080, 1104, 1167, 1242, 1380, 1556, 1656, 1840, 1945, 2070, 2160, 2334, 2484, 2760, 3105, 3112, 3312, 3501, 3890, 4140, 4668, 4968, 5520, 5835, 6210, 6224, 7002, 7780, 8280, 8947, 9336, 9936, 10503, 11670, 12420, 14004, 15560, 16560, 17505, 17894, 18672, 21006, 23340, 24840, 26841, 28008, 31120, 35010, 35788, 42012, 44735, 46680, 49680, 52515, 53682, 56016, 70020, 71576, 80523, 84024, 89470, 93360, 105030, 107364, 134205, 140040, 143152, 161046, 168048, 178940, 210060, 214728, 241569, 268410, 280080, 322092, 357880, 402615, 420120, 429456, 483138, 536820, 644184, 715760, 805230, 840240, 966276, 1073640, 1207845, 1288368, 1610460, 1932552, 2147280, 2415690, 3220920, 3865104, 4831380, 6441840, 9662760, 19325520]

約数ペア:

[(1, 19325520), (2, 9662760), (3, 6441840), (4, 4831380), (5, 3865104), (6, 3220920), (8, 2415690), (9, 2147280), (10, 1932552), (12, 1610460), (15, 1288368), (16, 1207845), (18, 1073640), (20, 966276), (23, 840240), (24, 805230), (27, 715760), (30, 644184), (36, 536820), (40, 483138), (45, 429456), (46, 420120), (48, 402615), (54, 357880), (60, 322092), (69, 280080), (72, 268410), (80, 241569), (90, 214728), (92, 210060), (108, 178940), (115, 168048), (120, 161046), (135, 143152), (138, 140040), (144, 134205), (180, 107364), (184, 105030), (207, 93360), (216, 89470), (230, 84024), (240, 80523), (270, 71576), (276, 70020), (345, 56016), (360, 53682), (368, 52515), (389, 49680), (414, 46680), (432, 44735), (460, 42012), (540, 35788), (552, 35010), (621, 31120), (690, 28008), (720, 26841), (778, 24840), (828, 23340), (920, 21006), (1035, 18672), (1080, 17894), (1104, 17505), (1167, 16560), (1242, 15560), (1380, 14004), (1556, 12420), (1656, 11670), (1840, 10503), (1945, 9936), (2070, 9336), (2160, 8947), (2334, 8280), (2484, 7780), (2760, 7002), (3105, 6224), (3112, 6210), (3312, 5835), (3501, 5520), (3890, 4968), (4140, 4668)]