19485025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 29712384

約数和(自身を除く): 10227359

約数列:

[1, 5, 7, 23, 25, 35, 47, 103, 115, 161, 175, 235, 329, 515, 575, 721, 805, 1081, 1175, 1645, 2369, 2575, 3605, 4025, 4841, 5405, 7567, 8225, 11845, 16583, 18025, 24205, 27025, 33887, 37835, 59225, 82915, 111343, 121025, 169435, 189175, 414575, 556715, 779401, 847175, 2783575, 3897005, 19485025]

約数ペア:

[(1, 19485025), (5, 3897005), (7, 2783575), (23, 847175), (25, 779401), (35, 556715), (47, 414575), (103, 189175), (115, 169435), (161, 121025), (175, 111343), (235, 82915), (329, 59225), (515, 37835), (575, 33887), (721, 27025), (805, 24205), (1081, 18025), (1175, 16583), (1645, 11845), (2369, 8225), (2575, 7567), (3605, 5405), (4025, 4841)]