19901546

素因数分解:

$2^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 35414400

約数和(自身を除く): 15512854

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 343, 433, 469, 686, 866, 938, 3031, 3283, 6062, 6566, 21217, 22981, 29011, 42434, 45962, 58022, 148519, 203077, 297038, 406154, 1421539, 2843078, 9950773, 19901546]

約数ペア:

[(1, 19901546), (2, 9950773), (7, 2843078), (14, 1421539), (49, 406154), (67, 297038), (98, 203077), (134, 148519), (343, 58022), (433, 45962), (469, 42434), (686, 29011), (866, 22981), (938, 21217), (3031, 6566), (3283, 6062)]