18214144

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 54

約数和(自身を含む): 39462486

約数和(自身を除く): 21248342

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 421, 676, 832, 842, 1352, 1664, 1684, 2704, 3328, 3368, 5408, 5473, 6736, 10816, 10946, 13472, 21632, 21892, 26944, 43264, 43784, 53888, 71149, 87568, 107776, 142298, 175136, 284596, 350272, 569192, 700544, 1138384, 1401088, 2276768, 4553536, 9107072, 18214144]

約数ペア:

[(1, 18214144), (2, 9107072), (4, 4553536), (8, 2276768), (13, 1401088), (16, 1138384), (26, 700544), (32, 569192), (52, 350272), (64, 284596), (104, 175136), (128, 142298), (169, 107776), (208, 87568), (256, 71149), (338, 53888), (416, 43784), (421, 43264), (676, 26944), (832, 21892), (842, 21632), (1352, 13472), (1664, 10946), (1684, 10816), (2704, 6736), (3328, 5473), (3368, 5408)]