19489610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{547}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 40245120

約数和(自身を除く): 20755510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 547, 1018, 1094, 2545, 2735, 3563, 3829, 5090, 5470, 7126, 7658, 17815, 19145, 35630, 38290, 278423, 556846, 1392115, 1948961, 2784230, 3897922, 9744805, 19489610]

約数ペア:

[(1, 19489610), (2, 9744805), (5, 3897922), (7, 2784230), (10, 1948961), (14, 1392115), (35, 556846), (70, 278423), (509, 38290), (547, 35630), (1018, 19145), (1094, 17815), (2545, 7658), (2735, 7126), (3563, 5470), (3829, 5090)]