18742455

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7307}}^1$

素因数の和:7340

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 16335945

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7307, 21921, 36535, 65763, 109605, 138833, 197289, 328815, 416499, 694165, 986445, 1249497, 2082495, 3748491, 6247485, 18742455]

約数ペア:

[(1, 18742455), (3, 6247485), (5, 3748491), (9, 2082495), (15, 1249497), (19, 986445), (27, 694165), (45, 416499), (57, 328815), (95, 197289), (135, 138833), (171, 109605), (285, 65763), (513, 36535), (855, 21921), (2565, 7307)]