18233415

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 33291648

約数和(自身を除く): 15058233

約数列:

[1, 3, 5, 9, 15, 37, 45, 47, 111, 141, 185, 233, 235, 333, 423, 555, 699, 705, 1165, 1665, 1739, 2097, 2115, 3495, 5217, 8621, 8695, 10485, 10951, 15651, 25863, 26085, 32853, 43105, 54755, 77589, 78255, 98559, 129315, 164265, 387945, 405187, 492795, 1215561, 2025935, 3646683, 6077805, 18233415]

約数ペア:

[(1, 18233415), (3, 6077805), (5, 3646683), (9, 2025935), (15, 1215561), (37, 492795), (45, 405187), (47, 387945), (111, 164265), (141, 129315), (185, 98559), (233, 78255), (235, 77589), (333, 54755), (423, 43105), (555, 32853), (699, 26085), (705, 25863), (1165, 15651), (1665, 10951), (1739, 10485), (2097, 8695), (2115, 8621), (3495, 5217)]