17998484

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 36891540

約数和(自身を除く): 18893056

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 401, 458, 802, 916, 1603, 1604, 2807, 3206, 5614, 6412, 11221, 11228, 19649, 22442, 39298, 44884, 78596, 91829, 183658, 367316, 642803, 1285606, 2571212, 4499621, 8999242, 17998484]

約数ペア:

[(1, 17998484), (2, 8999242), (4, 4499621), (7, 2571212), (14, 1285606), (28, 642803), (49, 367316), (98, 183658), (196, 91829), (229, 78596), (401, 44884), (458, 39298), (802, 22442), (916, 19649), (1603, 11228), (1604, 11221), (2807, 6412), (3206, 5614)]