19537035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 18766965

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1399, 1995, 2793, 4197, 4655, 6995, 9793, 13965, 20985, 26581, 29379, 48965, 68551, 79743, 132905, 146895, 186067, 205653, 342755, 398715, 558201, 930335, 1028265, 1302469, 2791005, 3907407, 6512345, 19537035]

約数ペア:

[(1, 19537035), (3, 6512345), (5, 3907407), (7, 2791005), (15, 1302469), (19, 1028265), (21, 930335), (35, 558201), (49, 398715), (57, 342755), (95, 205653), (105, 186067), (133, 146895), (147, 132905), (245, 79743), (285, 68551), (399, 48965), (665, 29379), (735, 26581), (931, 20985), (1399, 13965), (1995, 9793), (2793, 6995), (4197, 4655)]