18744795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 34875360

約数和(自身を除く): 16130565

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 229, 255, 321, 535, 687, 765, 963, 1145, 1605, 1819, 2061, 3435, 3893, 4815, 5457, 9095, 10305, 11679, 16371, 19465, 24503, 27285, 35037, 58395, 73509, 81855, 122515, 175185, 220527, 367545, 416551, 1102635, 1249653, 2082755, 3748959, 6248265, 18744795]

約数ペア:

[(1, 18744795), (3, 6248265), (5, 3748959), (9, 2082755), (15, 1249653), (17, 1102635), (45, 416551), (51, 367545), (85, 220527), (107, 175185), (153, 122515), (229, 81855), (255, 73509), (321, 58395), (535, 35037), (687, 27285), (765, 24503), (963, 19465), (1145, 16371), (1605, 11679), (1819, 10305), (2061, 9095), (3435, 5457), (3893, 4815)]