18986160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 40295760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 331, 478, 662, 717, 956, 993, 1195, 1324, 1434, 1655, 1912, 1986, 2390, 2648, 2868, 3310, 3585, 3824, 3972, 4780, 4965, 5296, 5736, 6620, 7170, 7944, 9560, 9930, 11472, 13240, 14340, 15888, 19120, 19860, 26480, 28680, 39720, 57360, 79109, 79440, 158218, 237327, 316436, 395545, 474654, 632872, 791090, 949308, 1186635, 1265744, 1582180, 1898616, 2373270, 3164360, 3797232, 4746540, 6328720, 9493080, 18986160]

約数ペア:

[(1, 18986160), (2, 9493080), (3, 6328720), (4, 4746540), (5, 3797232), (6, 3164360), (8, 2373270), (10, 1898616), (12, 1582180), (15, 1265744), (16, 1186635), (20, 949308), (24, 791090), (30, 632872), (40, 474654), (48, 395545), (60, 316436), (80, 237327), (120, 158218), (239, 79440), (240, 79109), (331, 57360), (478, 39720), (662, 28680), (717, 26480), (956, 19860), (993, 19120), (1195, 15888), (1324, 14340), (1434, 13240), (1655, 11472), (1912, 9930), (1986, 9560), (2390, 7944), (2648, 7170), (2868, 6620), (3310, 5736), (3585, 5296), (3824, 4965), (3972, 4780)]