18954320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 58496256

約数和(自身を除く): 39541936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 181, 187, 220, 238, 272, 280, 308, 340, 362, 374, 385, 440, 476, 560, 595, 616, 680, 724, 748, 770, 880, 905, 935, 952, 1190, 1232, 1267, 1309, 1360, 1448, 1496, 1540, 1810, 1870, 1904, 1991, 2380, 2534, 2618, 2896, 2992, 3077, 3080, 3620, 3740, 3982, 4760, 5068, 5236, 6154, 6160, 6335, 6545, 7240, 7480, 7964, 9520, 9955, 10136, 10472, 12308, 12670, 13090, 13937, 14480, 14960, 15385, 15928, 19910, 20272, 20944, 21539, 24616, 25340, 26180, 27874, 30770, 31856, 33847, 39820, 43078, 49232, 50680, 52360, 55748, 61540, 67694, 69685, 79640, 86156, 101360, 104720, 107695, 111496, 123080, 135388, 139370, 159280, 169235, 172312, 215390, 222992, 236929, 246160, 270776, 278740, 338470, 344624, 430780, 473858, 541552, 557480, 676940, 861560, 947716, 1114960, 1184645, 1353880, 1723120, 1895432, 2369290, 2707760, 3790864, 4738580, 9477160, 18954320]

約数ペア:

[(1, 18954320), (2, 9477160), (4, 4738580), (5, 3790864), (7, 2707760), (8, 2369290), (10, 1895432), (11, 1723120), (14, 1353880), (16, 1184645), (17, 1114960), (20, 947716), (22, 861560), (28, 676940), (34, 557480), (35, 541552), (40, 473858), (44, 430780), (55, 344624), (56, 338470), (68, 278740), (70, 270776), (77, 246160), (80, 236929), (85, 222992), (88, 215390), (110, 172312), (112, 169235), (119, 159280), (136, 139370), (140, 135388), (154, 123080), (170, 111496), (176, 107695), (181, 104720), (187, 101360), (220, 86156), (238, 79640), (272, 69685), (280, 67694), (308, 61540), (340, 55748), (362, 52360), (374, 50680), (385, 49232), (440, 43078), (476, 39820), (560, 33847), (595, 31856), (616, 30770), (680, 27874), (724, 26180), (748, 25340), (770, 24616), (880, 21539), (905, 20944), (935, 20272), (952, 19910), (1190, 15928), (1232, 15385), (1267, 14960), (1309, 14480), (1360, 13937), (1448, 13090), (1496, 12670), (1540, 12308), (1810, 10472), (1870, 10136), (1904, 9955), (1991, 9520), (2380, 7964), (2534, 7480), (2618, 7240), (2896, 6545), (2992, 6335), (3077, 6160), (3080, 6154), (3620, 5236), (3740, 5068), (3982, 4760)]