19916470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284521}}^1$

素因数の和:284535

約数の個数: 16

約数和(自身を含む): 40971168

約数和(自身を除く): 21054698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284521, 569042, 1422605, 1991647, 2845210, 3983294, 9958235, 19916470]

約数ペア:

[(1, 19916470), (2, 9958235), (5, 3983294), (7, 2845210), (10, 1991647), (14, 1422605), (35, 569042), (70, 284521)]