19637776

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{6781}}^1$

素因数の和:6970

約数の個数: 20

約数和(自身を含む): 38264044

約数和(自身を除く): 18626268

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 6781, 13562, 27124, 54248, 108496, 1227361, 2454722, 4909444, 9818888, 19637776]

約数ペア:

[(1, 19637776), (2, 9818888), (4, 4909444), (8, 2454722), (16, 1227361), (181, 108496), (362, 54248), (724, 27124), (1448, 13562), (2896, 6781)]