18834921920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{72043}}^1$

素因数の和:72122

約数の個数: 112

約数和(自身を含む): 48309824640

約数和(自身を除く): 29474902720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1376, 1520, 1634, 1720, 2752, 3040, 3268, 3440, 4085, 6080, 6536, 6880, 8170, 13072, 13760, 16340, 26144, 32680, 52288, 65360, 72043, 130720, 144086, 261440, 288172, 360215, 576344, 720430, 1152688, 1368817, 1440860, 2305376, 2737634, 2881720, 3097849, 4610752, 5475268, 5763440, 6195698, 6844085, 10950536, 11526880, 12391396, 13688170, 15489245, 21901072, 23053760, 24782792, 27376340, 30978490, 43802144, 49565584, 54752680, 58859131, 61956980, 87604288, 99131168, 109505360, 117718262, 123913960, 198262336, 219010720, 235436524, 247827920, 294295655, 438021440, 470873048, 495655840, 588591310, 941746096, 991311680, 1177182620, 1883492192, 2354365240, 3766984384, 4708730480, 9417460960, 18834921920]

約数ペア:

[(1, 18834921920), (2, 9417460960), (4, 4708730480), (5, 3766984384), (8, 2354365240), (10, 1883492192), (16, 1177182620), (19, 991311680), (20, 941746096), (32, 588591310), (38, 495655840), (40, 470873048), (43, 438021440), (64, 294295655), (76, 247827920), (80, 235436524), (86, 219010720), (95, 198262336), (152, 123913960), (160, 117718262), (172, 109505360), (190, 99131168), (215, 87604288), (304, 61956980), (320, 58859131), (344, 54752680), (380, 49565584), (430, 43802144), (608, 30978490), (688, 27376340), (760, 24782792), (817, 23053760), (860, 21901072), (1216, 15489245), (1376, 13688170), (1520, 12391396), (1634, 11526880), (1720, 10950536), (2752, 6844085), (3040, 6195698), (3268, 5763440), (3440, 5475268), (4085, 4610752), (6080, 3097849), (6536, 2881720), (6880, 2737634), (8170, 2305376), (13072, 1440860), (13760, 1368817), (16340, 1152688), (26144, 720430), (32680, 576344), (52288, 360215), (65360, 288172), (72043, 261440), (130720, 144086)]