18221247

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3268

約数の個数: 32

約数和(自身を含む): 31008000

約数和(自身を除く): 12786753

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3229, 5643, 9687, 29061, 35519, 61351, 87183, 106557, 184053, 319671, 552159, 674861, 959013, 1656477, 2024583, 6073749, 18221247]

約数ペア:

[(1, 18221247), (3, 6073749), (9, 2024583), (11, 1656477), (19, 959013), (27, 674861), (33, 552159), (57, 319671), (99, 184053), (171, 106557), (209, 87183), (297, 61351), (513, 35519), (627, 29061), (1881, 9687), (3229, 5643)]