18255596905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1\times {\mathrm{463}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 27220838400

約数和(自身を除く): 8965241495

約数列:

[1, 5, 7, 13, 35, 65, 91, 193, 449, 455, 463, 965, 1351, 2245, 2315, 2509, 3143, 3241, 5837, 6019, 6755, 12545, 15715, 16205, 17563, 29185, 30095, 40859, 42133, 86657, 87815, 89359, 204295, 207887, 210665, 433285, 446795, 606599, 625513, 1039435, 1126541, 1161667, 1455209, 2702531, 3032995, 3127565, 5632705, 5808335, 7276045, 7885787, 8131669, 13512655, 18917717, 39428935, 40122191, 40658345, 94588585, 200610955, 280855337, 521588483, 1404276685, 2607942415, 3651119381, 18255596905]

約数ペア:

[(1, 18255596905), (5, 3651119381), (7, 2607942415), (13, 1404276685), (35, 521588483), (65, 280855337), (91, 200610955), (193, 94588585), (449, 40658345), (455, 40122191), (463, 39428935), (965, 18917717), (1351, 13512655), (2245, 8131669), (2315, 7885787), (2509, 7276045), (3143, 5808335), (3241, 5632705), (5837, 3127565), (6019, 3032995), (6755, 2702531), (12545, 1455209), (15715, 1161667), (16205, 1126541), (17563, 1039435), (29185, 625513), (30095, 606599), (40859, 446795), (42133, 433285), (86657, 210665), (87815, 207887), (89359, 204295)]