18205755

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 30051648

約数和(自身を除く): 11845893

約数列:

[1, 3, 5, 15, 61, 101, 183, 197, 303, 305, 505, 591, 915, 985, 1515, 2955, 6161, 12017, 18483, 19897, 30805, 36051, 59691, 60085, 92415, 99485, 180255, 298455, 1213717, 3641151, 6068585, 18205755]

約数ペア:

[(1, 18205755), (3, 6068585), (5, 3641151), (15, 1213717), (61, 298455), (101, 180255), (183, 99485), (197, 92415), (303, 60085), (305, 59691), (505, 36051), (591, 30805), (915, 19897), (985, 18483), (1515, 12017), (2955, 6161)]