18796960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1326

約数の個数: 96

約数和(自身を含む): 54698112

約数和(自身を除く): 35901152

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1291, 1456, 1820, 2080, 2582, 2912, 3640, 5164, 6455, 7280, 9037, 10328, 12910, 14560, 16783, 18074, 20656, 25820, 33566, 36148, 41312, 45185, 51640, 67132, 72296, 83915, 90370, 103280, 117481, 134264, 144592, 167830, 180740, 206560, 234962, 268528, 289184, 335660, 361480, 469924, 537056, 587405, 671320, 722960, 939848, 1174810, 1342640, 1445920, 1879696, 2349620, 2685280, 3759392, 4699240, 9398480, 18796960]

約数ペア:

[(1, 18796960), (2, 9398480), (4, 4699240), (5, 3759392), (7, 2685280), (8, 2349620), (10, 1879696), (13, 1445920), (14, 1342640), (16, 1174810), (20, 939848), (26, 722960), (28, 671320), (32, 587405), (35, 537056), (40, 469924), (52, 361480), (56, 335660), (65, 289184), (70, 268528), (80, 234962), (91, 206560), (104, 180740), (112, 167830), (130, 144592), (140, 134264), (160, 117481), (182, 103280), (208, 90370), (224, 83915), (260, 72296), (280, 67132), (364, 51640), (416, 45185), (455, 41312), (520, 36148), (560, 33566), (728, 25820), (910, 20656), (1040, 18074), (1120, 16783), (1291, 14560), (1456, 12910), (1820, 10328), (2080, 9037), (2582, 7280), (2912, 6455), (3640, 5164)]