18466240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 49670208

約数和(自身を除く): 31203968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 193, 208, 230, 260, 299, 320, 368, 386, 416, 460, 520, 598, 736, 772, 832, 920, 965, 1040, 1196, 1472, 1495, 1544, 1840, 1930, 2080, 2392, 2509, 2990, 3088, 3680, 3860, 4160, 4439, 4784, 5018, 5980, 6176, 7360, 7720, 8878, 9568, 10036, 11960, 12352, 12545, 15440, 17756, 19136, 20072, 22195, 23920, 25090, 30880, 35512, 40144, 44390, 47840, 50180, 57707, 61760, 71024, 80288, 88780, 95680, 100360, 115414, 142048, 160576, 177560, 200720, 230828, 284096, 288535, 355120, 401440, 461656, 577070, 710240, 802880, 923312, 1154140, 1420480, 1846624, 2308280, 3693248, 4616560, 9233120, 18466240]

約数ペア:

[(1, 18466240), (2, 9233120), (4, 4616560), (5, 3693248), (8, 2308280), (10, 1846624), (13, 1420480), (16, 1154140), (20, 923312), (23, 802880), (26, 710240), (32, 577070), (40, 461656), (46, 401440), (52, 355120), (64, 288535), (65, 284096), (80, 230828), (92, 200720), (104, 177560), (115, 160576), (130, 142048), (160, 115414), (184, 100360), (193, 95680), (208, 88780), (230, 80288), (260, 71024), (299, 61760), (320, 57707), (368, 50180), (386, 47840), (416, 44390), (460, 40144), (520, 35512), (598, 30880), (736, 25090), (772, 23920), (832, 22195), (920, 20072), (965, 19136), (1040, 17756), (1196, 15440), (1472, 12545), (1495, 12352), (1544, 11960), (1840, 10036), (1930, 9568), (2080, 8878), (2392, 7720), (2509, 7360), (2990, 6176), (3088, 5980), (3680, 5018), (3860, 4784), (4160, 4439)]