18336220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130973}}^1$

素因数の和:130989

約数の個数: 24

約数和(自身を含む): 44007264

約数和(自身を除く): 25671044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130973, 261946, 523892, 654865, 916811, 1309730, 1833622, 2619460, 3667244, 4584055, 9168110, 18336220]

約数ペア:

[(1, 18336220), (2, 9168110), (4, 4584055), (5, 3667244), (7, 2619460), (10, 1833622), (14, 1309730), (20, 916811), (28, 654865), (35, 523892), (70, 261946), (140, 130973)]