18534386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14850574

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2207, 4199, 4414, 8398, 28691, 37519, 41933, 57382, 75038, 83866, 487747, 545129, 712861, 975494, 1090258, 1425722, 9267193, 18534386]

約数ペア:

[(1, 18534386), (2, 9267193), (13, 1425722), (17, 1090258), (19, 975494), (26, 712861), (34, 545129), (38, 487747), (221, 83866), (247, 75038), (323, 57382), (442, 41933), (494, 37519), (646, 28691), (2207, 8398), (4199, 4414)]