19488960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 168

約数和(自身を含む): 68708016

約数和(自身を除く): 49219056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 101, 120, 134, 144, 160, 180, 192, 201, 202, 240, 268, 288, 303, 320, 335, 360, 402, 404, 480, 505, 536, 576, 603, 606, 670, 720, 804, 808, 909, 960, 1005, 1010, 1072, 1206, 1212, 1340, 1440, 1515, 1608, 1616, 1818, 2010, 2020, 2144, 2412, 2424, 2680, 2880, 3015, 3030, 3216, 3232, 3636, 4020, 4040, 4288, 4545, 4824, 4848, 5360, 6030, 6060, 6432, 6464, 6767, 7272, 8040, 8080, 9090, 9648, 9696, 10720, 12060, 12120, 12864, 13534, 14544, 16080, 16160, 18180, 19296, 19392, 20301, 21440, 24120, 24240, 27068, 29088, 32160, 32320, 33835, 36360, 38592, 40602, 48240, 48480, 54136, 58176, 60903, 64320, 67670, 72720, 81204, 96480, 96960, 101505, 108272, 121806, 135340, 145440, 162408, 192960, 203010, 216544, 243612, 270680, 290880, 304515, 324816, 406020, 433088, 487224, 541360, 609030, 649632, 812040, 974448, 1082720, 1218060, 1299264, 1624080, 1948896, 2165440, 2436120, 3248160, 3897792, 4872240, 6496320, 9744480, 19488960]

約数ペア:

[(1, 19488960), (2, 9744480), (3, 6496320), (4, 4872240), (5, 3897792), (6, 3248160), (8, 2436120), (9, 2165440), (10, 1948896), (12, 1624080), (15, 1299264), (16, 1218060), (18, 1082720), (20, 974448), (24, 812040), (30, 649632), (32, 609030), (36, 541360), (40, 487224), (45, 433088), (48, 406020), (60, 324816), (64, 304515), (67, 290880), (72, 270680), (80, 243612), (90, 216544), (96, 203010), (101, 192960), (120, 162408), (134, 145440), (144, 135340), (160, 121806), (180, 108272), (192, 101505), (201, 96960), (202, 96480), (240, 81204), (268, 72720), (288, 67670), (303, 64320), (320, 60903), (335, 58176), (360, 54136), (402, 48480), (404, 48240), (480, 40602), (505, 38592), (536, 36360), (576, 33835), (603, 32320), (606, 32160), (670, 29088), (720, 27068), (804, 24240), (808, 24120), (909, 21440), (960, 20301), (1005, 19392), (1010, 19296), (1072, 18180), (1206, 16160), (1212, 16080), (1340, 14544), (1440, 13534), (1515, 12864), (1608, 12120), (1616, 12060), (1818, 10720), (2010, 9696), (2020, 9648), (2144, 9090), (2412, 8080), (2424, 8040), (2680, 7272), (2880, 6767), (3015, 6464), (3030, 6432), (3216, 6060), (3232, 6030), (3636, 5360), (4020, 4848), (4040, 4824), (4288, 4545)]