18769912

素因数分解:

$2^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{587}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 40360320

約数和(自身を除く): 21590408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 571, 587, 1142, 1174, 2284, 2348, 3997, 4109, 4568, 4696, 7994, 8218, 15988, 16436, 31976, 32872, 335177, 670354, 1340708, 2346239, 2681416, 4692478, 9384956, 18769912]

約数ペア:

[(1, 18769912), (2, 9384956), (4, 4692478), (7, 2681416), (8, 2346239), (14, 1340708), (28, 670354), (56, 335177), (571, 32872), (587, 31976), (1142, 16436), (1174, 15988), (2284, 8218), (2348, 7994), (3997, 4696), (4109, 4568)]