18452805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 35616768

約数和(自身を除く): 17163963

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 67, 105, 129, 183, 201, 215, 301, 305, 335, 427, 469, 645, 903, 915, 1005, 1281, 1407, 1505, 2135, 2345, 2623, 2881, 4087, 4515, 6405, 7035, 7869, 8643, 12261, 13115, 14405, 18361, 20167, 20435, 28609, 39345, 43215, 55083, 60501, 61305, 85827, 91805, 100835, 143045, 175741, 275415, 302505, 429135, 527223, 878705, 1230187, 2636115, 3690561, 6150935, 18452805]

約数ペア:

[(1, 18452805), (3, 6150935), (5, 3690561), (7, 2636115), (15, 1230187), (21, 878705), (35, 527223), (43, 429135), (61, 302505), (67, 275415), (105, 175741), (129, 143045), (183, 100835), (201, 91805), (215, 85827), (301, 61305), (305, 60501), (335, 55083), (427, 43215), (469, 39345), (645, 28609), (903, 20435), (915, 20167), (1005, 18361), (1281, 14405), (1407, 13115), (1505, 12261), (2135, 8643), (2345, 7869), (2623, 7035), (2881, 6405), (4087, 4515)]