18212265

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14734935

約数列:

[1, 3, 5, 9, 15, 45, 47, 79, 109, 141, 235, 237, 327, 395, 423, 545, 705, 711, 981, 1185, 1635, 2115, 3555, 3713, 4905, 5123, 8611, 11139, 15369, 18565, 25615, 25833, 33417, 43055, 46107, 55695, 76845, 77499, 129165, 167085, 230535, 387495, 404717, 1214151, 2023585, 3642453, 6070755, 18212265]

約数ペア:

[(1, 18212265), (3, 6070755), (5, 3642453), (9, 2023585), (15, 1214151), (45, 404717), (47, 387495), (79, 230535), (109, 167085), (141, 129165), (235, 77499), (237, 76845), (327, 55695), (395, 46107), (423, 43055), (545, 33417), (705, 25833), (711, 25615), (981, 18565), (1185, 15369), (1635, 11139), (2115, 8611), (3555, 5123), (3713, 4905)]