19904838

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8273}}^1$

素因数の和:8679

約数の個数: 16

約数和(自身を含む): 39913776

約数和(自身を除く): 20008938

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8273, 16546, 24819, 49638, 3317473, 6634946, 9952419, 19904838]

約数ペア:

[(1, 19904838), (2, 9952419), (3, 6634946), (6, 3317473), (401, 49638), (802, 24819), (1203, 16546), (2406, 8273)]