20181593888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2170

約数の個数: 96

約数和(自身を含む): 42485264640

約数和(自身を除く): 22303670752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 157, 226, 304, 314, 452, 608, 628, 904, 1256, 1808, 1871, 2147, 2512, 2983, 3616, 3742, 4294, 5024, 5966, 7484, 8588, 11932, 14968, 17176, 17741, 23864, 29936, 34352, 35482, 35549, 47728, 59872, 68704, 70964, 71098, 95456, 141928, 142196, 211423, 283856, 284392, 293747, 337079, 422846, 567712, 568784, 587494, 674158, 845692, 1137568, 1174988, 1348316, 1691384, 2349976, 2696632, 3382768, 4017037, 4699952, 5393264, 5581193, 6765536, 8034074, 9399904, 10786528, 11162386, 16068148, 22324772, 32136296, 33193411, 44649544, 64272592, 66386822, 89299088, 128545184, 132773644, 178598176, 265547288, 531094576, 630674809, 1062189152, 1261349618, 2522699236, 5045398472, 10090796944, 20181593888]

約数ペア:

[(1, 20181593888), (2, 10090796944), (4, 5045398472), (8, 2522699236), (16, 1261349618), (19, 1062189152), (32, 630674809), (38, 531094576), (76, 265547288), (113, 178598176), (152, 132773644), (157, 128545184), (226, 89299088), (304, 66386822), (314, 64272592), (452, 44649544), (608, 33193411), (628, 32136296), (904, 22324772), (1256, 16068148), (1808, 11162386), (1871, 10786528), (2147, 9399904), (2512, 8034074), (2983, 6765536), (3616, 5581193), (3742, 5393264), (4294, 4699952), (5024, 4017037), (5966, 3382768), (7484, 2696632), (8588, 2349976), (11932, 1691384), (14968, 1348316), (17176, 1174988), (17741, 1137568), (23864, 845692), (29936, 674158), (34352, 587494), (35482, 568784), (35549, 567712), (47728, 422846), (59872, 337079), (68704, 293747), (70964, 284392), (71098, 283856), (95456, 211423), (141928, 142196)]