19071220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136223}}^1$

素因数の和:136239

約数の個数: 24

約数和(自身を含む): 45771264

約数和(自身を除く): 26700044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136223, 272446, 544892, 681115, 953561, 1362230, 1907122, 2724460, 3814244, 4767805, 9535610, 19071220]

約数ペア:

[(1, 19071220), (2, 9535610), (4, 4767805), (5, 3814244), (7, 2724460), (10, 1907122), (14, 1362230), (20, 953561), (28, 681115), (35, 544892), (70, 272446), (140, 136223)]