18901814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7753}}^1$

素因数の和:7831

約数の個数: 16

約数和(自身を含む): 30147552

約数和(自身を除く): 11245738

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7753, 15506, 178319, 356638, 410909, 821818, 9450907, 18901814]

約数ペア:

[(1, 18901814), (2, 9450907), (23, 821818), (46, 410909), (53, 356638), (106, 178319), (1219, 15506), (2438, 7753)]