18739215

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12619}}^1$

素因数の和:12644

約数の個数: 32

約数和(自身を含む): 36345600

約数和(自身を除く): 17606385

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 12619, 37857, 63095, 113571, 138809, 189285, 340713, 416427, 567855, 694045, 1249281, 1703565, 2082135, 3747843, 6246405, 18739215]

約数ペア:

[(1, 18739215), (3, 6246405), (5, 3747843), (9, 2082135), (11, 1703565), (15, 1249281), (27, 694045), (33, 567855), (45, 416427), (55, 340713), (99, 189285), (135, 138809), (165, 113571), (297, 63095), (495, 37857), (1485, 12619)]