39821938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20981}}^1$

素因数の和:21069

約数の個数: 16

約数和(自身を含む): 65212056

約数和(自身を除く): 25390118

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 20981, 41962, 272753, 545506, 1531613, 3063226, 19910969, 39821938]

約数ペア:

[(1, 39821938), (2, 19910969), (13, 3063226), (26, 1531613), (73, 545506), (146, 272753), (949, 41962), (1898, 20981)]