18904480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16879}}^1$

素因数の和:16901

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 32140640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16879, 33758, 67516, 84395, 118153, 135032, 168790, 236306, 270064, 337580, 472612, 540128, 590765, 675160, 945224, 1181530, 1350320, 1890448, 2363060, 2700640, 3780896, 4726120, 9452240, 18904480]

約数ペア:

[(1, 18904480), (2, 9452240), (4, 4726120), (5, 3780896), (7, 2700640), (8, 2363060), (10, 1890448), (14, 1350320), (16, 1181530), (20, 945224), (28, 675160), (32, 590765), (35, 540128), (40, 472612), (56, 337580), (70, 270064), (80, 236306), (112, 168790), (140, 135032), (160, 118153), (224, 84395), (280, 67516), (560, 33758), (1120, 16879)]