18771145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 6889655

約数列:

[1, 5, 17, 19, 59, 85, 95, 197, 295, 323, 985, 1003, 1121, 1615, 3349, 3743, 5015, 5605, 11623, 16745, 18715, 19057, 58115, 63631, 95285, 197591, 220837, 318155, 987955, 1104185, 3754229, 18771145]

約数ペア:

[(1, 18771145), (5, 3754229), (17, 1104185), (19, 987955), (59, 318155), (85, 220837), (95, 197591), (197, 95285), (295, 63631), (323, 58115), (985, 19057), (1003, 18715), (1121, 16745), (1615, 11623), (3349, 5605), (3743, 5015)]