18940834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 32996160

約数和(自身を除く): 14055326

約数列:

[1, 2, 11, 19, 22, 38, 113, 209, 226, 401, 418, 802, 1243, 2147, 2486, 4294, 4411, 7619, 8822, 15238, 23617, 45313, 47234, 83809, 90626, 167618, 498443, 860947, 996886, 1721894, 9470417, 18940834]

約数ペア:

[(1, 18940834), (2, 9470417), (11, 1721894), (19, 996886), (22, 860947), (38, 498443), (113, 167618), (209, 90626), (226, 83809), (401, 47234), (418, 45313), (802, 23617), (1243, 15238), (2147, 8822), (2486, 7619), (4294, 4411)]