16818804904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{20849}}^1$

素因数の和:21058

約数の個数: 64

約数和(自身を含む): 35128080000

約数和(自身を除く): 18309275096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 103, 178, 206, 356, 412, 712, 824, 979, 1133, 1958, 2266, 3916, 4532, 7832, 9064, 9167, 18334, 20849, 36668, 41698, 73336, 83396, 100837, 166792, 201674, 229339, 403348, 458678, 806696, 917356, 1834712, 1855561, 2147447, 3711122, 4294894, 7422244, 8589788, 14844488, 17179576, 20411171, 23621917, 40822342, 47243834, 81644684, 94487668, 163289368, 188975336, 191122783, 382245566, 764491132, 1528982264, 2102350613, 4204701226, 8409402452, 16818804904]

約数ペア:

[(1, 16818804904), (2, 8409402452), (4, 4204701226), (8, 2102350613), (11, 1528982264), (22, 764491132), (44, 382245566), (88, 191122783), (89, 188975336), (103, 163289368), (178, 94487668), (206, 81644684), (356, 47243834), (412, 40822342), (712, 23621917), (824, 20411171), (979, 17179576), (1133, 14844488), (1958, 8589788), (2266, 7422244), (3916, 4294894), (4532, 3711122), (7832, 2147447), (9064, 1855561), (9167, 1834712), (18334, 917356), (20849, 806696), (36668, 458678), (41698, 403348), (73336, 229339), (83396, 201674), (100837, 166792)]