18499040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 32304160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 199, 224, 280, 332, 398, 415, 560, 581, 664, 796, 830, 995, 1120, 1162, 1328, 1393, 1592, 1660, 1990, 2324, 2656, 2786, 2905, 3184, 3320, 3980, 4648, 5572, 5810, 6368, 6640, 6965, 7960, 9296, 11144, 11620, 13280, 13930, 15920, 16517, 18592, 22288, 23240, 27860, 31840, 33034, 44576, 46480, 55720, 66068, 82585, 92960, 111440, 115619, 132136, 165170, 222880, 231238, 264272, 330340, 462476, 528544, 578095, 660680, 924952, 1156190, 1321360, 1849904, 2312380, 2642720, 3699808, 4624760, 9249520, 18499040]

約数ペア:

[(1, 18499040), (2, 9249520), (4, 4624760), (5, 3699808), (7, 2642720), (8, 2312380), (10, 1849904), (14, 1321360), (16, 1156190), (20, 924952), (28, 660680), (32, 578095), (35, 528544), (40, 462476), (56, 330340), (70, 264272), (80, 231238), (83, 222880), (112, 165170), (140, 132136), (160, 115619), (166, 111440), (199, 92960), (224, 82585), (280, 66068), (332, 55720), (398, 46480), (415, 44576), (560, 33034), (581, 31840), (664, 27860), (796, 23240), (830, 22288), (995, 18592), (1120, 16517), (1162, 15920), (1328, 13930), (1393, 13280), (1592, 11620), (1660, 11144), (1990, 9296), (2324, 7960), (2656, 6965), (2786, 6640), (2905, 6368), (3184, 5810), (3320, 5572), (3980, 4648)]