19540255

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 8476385

約数列:

[1, 5, 7, 35, 37, 79, 185, 191, 259, 395, 553, 955, 1295, 1337, 2765, 2923, 6685, 7067, 14615, 15089, 20461, 35335, 49469, 75445, 102305, 105623, 247345, 528115, 558293, 2791465, 3908051, 19540255]

約数ペア:

[(1, 19540255), (5, 3908051), (7, 2791465), (35, 558293), (37, 528115), (79, 247345), (185, 105623), (191, 102305), (259, 75445), (395, 49469), (553, 35335), (955, 20461), (1295, 15089), (1337, 14615), (2765, 7067), (2923, 6685)]