19402845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 39315456

約数和(自身を除く): 19912611

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 107, 157, 165, 231, 321, 385, 471, 535, 749, 785, 1099, 1155, 1177, 1605, 1727, 2247, 2355, 3297, 3531, 3745, 5181, 5495, 5885, 8239, 8635, 11235, 12089, 16485, 16799, 17655, 24717, 25905, 36267, 41195, 50397, 60445, 83995, 117593, 123585, 181335, 184789, 251985, 352779, 554367, 587965, 923945, 1293523, 1763895, 2771835, 3880569, 6467615, 19402845]

約数ペア:

[(1, 19402845), (3, 6467615), (5, 3880569), (7, 2771835), (11, 1763895), (15, 1293523), (21, 923945), (33, 587965), (35, 554367), (55, 352779), (77, 251985), (105, 184789), (107, 181335), (157, 123585), (165, 117593), (231, 83995), (321, 60445), (385, 50397), (471, 41195), (535, 36267), (749, 25905), (785, 24717), (1099, 17655), (1155, 16799), (1177, 16485), (1605, 12089), (1727, 11235), (2247, 8635), (2355, 8239), (3297, 5885), (3531, 5495), (3745, 5181)]