19129552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91969}}^1$

素因数の和:91990

約数の個数: 20

約数和(自身を含む): 39914980

約数和(自身を除く): 20785428

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91969, 183938, 367876, 735752, 1195597, 1471504, 2391194, 4782388, 9564776, 19129552]

約数ペア:

[(1, 19129552), (2, 9564776), (4, 4782388), (8, 2391194), (13, 1471504), (16, 1195597), (26, 735752), (52, 367876), (104, 183938), (208, 91969)]