19747314

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1636

約数の個数: 40

約数和(自身を含む): 44837760

約数和(自身を除く): 25090446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1543, 2133, 3086, 4266, 4629, 6399, 9258, 12798, 13887, 27774, 41661, 83322, 121897, 124983, 243794, 249966, 365691, 731382, 1097073, 2194146, 3291219, 6582438, 9873657, 19747314]

約数ペア:

[(1, 19747314), (2, 9873657), (3, 6582438), (6, 3291219), (9, 2194146), (18, 1097073), (27, 731382), (54, 365691), (79, 249966), (81, 243794), (158, 124983), (162, 121897), (237, 83322), (474, 41661), (711, 27774), (1422, 13887), (1543, 12798), (2133, 9258), (3086, 6399), (4266, 4629)]