18424640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 112

約数和(自身を含む): 48816768

約数和(自身を除く): 30392128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 103, 104, 130, 160, 172, 206, 208, 215, 260, 320, 344, 412, 416, 430, 515, 520, 559, 688, 824, 832, 860, 1030, 1040, 1118, 1339, 1376, 1648, 1720, 2060, 2080, 2236, 2678, 2752, 2795, 3296, 3440, 4120, 4160, 4429, 4472, 5356, 5590, 6592, 6695, 6880, 8240, 8858, 8944, 10712, 11180, 13390, 13760, 16480, 17716, 17888, 21424, 22145, 22360, 26780, 32960, 35432, 35776, 42848, 44290, 44720, 53560, 57577, 70864, 85696, 88580, 89440, 107120, 115154, 141728, 177160, 178880, 214240, 230308, 283456, 287885, 354320, 428480, 460616, 575770, 708640, 921232, 1151540, 1417280, 1842464, 2303080, 3684928, 4606160, 9212320, 18424640]

約数ペア:

[(1, 18424640), (2, 9212320), (4, 4606160), (5, 3684928), (8, 2303080), (10, 1842464), (13, 1417280), (16, 1151540), (20, 921232), (26, 708640), (32, 575770), (40, 460616), (43, 428480), (52, 354320), (64, 287885), (65, 283456), (80, 230308), (86, 214240), (103, 178880), (104, 177160), (130, 141728), (160, 115154), (172, 107120), (206, 89440), (208, 88580), (215, 85696), (260, 70864), (320, 57577), (344, 53560), (412, 44720), (416, 44290), (430, 42848), (515, 35776), (520, 35432), (559, 32960), (688, 26780), (824, 22360), (832, 22145), (860, 21424), (1030, 17888), (1040, 17716), (1118, 16480), (1339, 13760), (1376, 13390), (1648, 11180), (1720, 10712), (2060, 8944), (2080, 8858), (2236, 8240), (2678, 6880), (2752, 6695), (2795, 6592), (3296, 5590), (3440, 5356), (4120, 4472), (4160, 4429)]