16218220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35257}}^1$

素因数の和:35289

約数の個数: 24

約数和(自身を含む): 35540064

約数和(自身を除く): 19321844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 35257, 70514, 141028, 176285, 352570, 705140, 810911, 1621822, 3243644, 4054555, 8109110, 16218220]

約数ペア:

[(1, 16218220), (2, 8109110), (4, 4054555), (5, 3243644), (10, 1621822), (20, 810911), (23, 705140), (46, 352570), (92, 176285), (115, 141028), (230, 70514), (460, 35257)]