18356921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 21881664

約数和(自身を除く): 3524743

約数列:

[1, 11, 23, 37, 53, 253, 407, 583, 851, 1219, 1369, 1961, 9361, 13409, 15059, 21571, 31487, 45103, 72557, 346357, 496133, 798127, 1668811, 18356921]

約数ペア:

[(1, 18356921), (11, 1668811), (23, 798127), (37, 496133), (53, 346357), (253, 72557), (407, 45103), (583, 31487), (851, 21571), (1219, 15059), (1369, 13409), (1961, 9361)]