18792235

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 30205440

約数和(自身を除く): 11413205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 367, 385, 539, 665, 931, 1045, 1463, 1835, 2569, 2695, 4037, 4655, 6973, 7315, 10241, 12845, 17983, 20185, 28259, 34865, 48811, 51205, 76703, 89915, 141295, 197813, 244055, 341677, 383515, 536921, 989065, 1708385, 2684605, 3758447, 18792235]

約数ペア:

[(1, 18792235), (5, 3758447), (7, 2684605), (11, 1708385), (19, 989065), (35, 536921), (49, 383515), (55, 341677), (77, 244055), (95, 197813), (133, 141295), (209, 89915), (245, 76703), (367, 51205), (385, 48811), (539, 34865), (665, 28259), (931, 20185), (1045, 17983), (1463, 12845), (1835, 10241), (2569, 7315), (2695, 6973), (4037, 4655)]