18621292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 34700400

約数和(自身を除く): 16079108

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2753, 3382, 5506, 6764, 11012, 52307, 104614, 209228, 245017, 490034, 980068, 4655323, 9310646, 18621292]

約数ペア:

[(1, 18621292), (2, 9310646), (4, 4655323), (19, 980068), (38, 490034), (76, 245017), (89, 209228), (178, 104614), (356, 52307), (1691, 11012), (2753, 6764), (3382, 5506)]