18466917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 30597120

約数和(自身を除く): 12130203

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1493, 1767, 4123, 4479, 10451, 12369, 28367, 31353, 46283, 85101, 138849, 198569, 323981, 595707, 879377, 971943, 2638131, 6155639, 18466917]

約数ペア:

[(1, 18466917), (3, 6155639), (7, 2638131), (19, 971943), (21, 879377), (31, 595707), (57, 323981), (93, 198569), (133, 138849), (217, 85101), (399, 46283), (589, 31353), (651, 28367), (1493, 12369), (1767, 10451), (4123, 4479)]