19118120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68279}}^1$

素因数の和:68297

約数の個数: 32

約数和(自身を含む): 49161600

約数和(自身を除く): 30043480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68279, 136558, 273116, 341395, 477953, 546232, 682790, 955906, 1365580, 1911812, 2389765, 2731160, 3823624, 4779530, 9559060, 19118120]

約数ペア:

[(1, 19118120), (2, 9559060), (4, 4779530), (5, 3823624), (7, 2731160), (8, 2389765), (10, 1911812), (14, 1365580), (20, 955906), (28, 682790), (35, 546232), (40, 477953), (56, 341395), (70, 273116), (140, 136558), (280, 68279)]