19495028

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 19783372

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5009, 10018, 20036, 35063, 70126, 140252, 696251, 1392502, 2785004, 4873757, 9747514, 19495028]

約数ペア:

[(1, 19495028), (2, 9747514), (4, 4873757), (7, 2785004), (14, 1392502), (28, 696251), (139, 140252), (278, 70126), (556, 35063), (973, 20036), (1946, 10018), (3892, 5009)]