16819540

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1873}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 35418600

約数和(自身を除く): 18599060

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 1873, 2245, 3746, 4490, 7492, 8980, 9365, 18730, 37460, 840977, 1681954, 3363908, 4204885, 8409770, 16819540]

約数ペア:

[(1, 16819540), (2, 8409770), (4, 4204885), (5, 3363908), (10, 1681954), (20, 840977), (449, 37460), (898, 18730), (1796, 9365), (1873, 8980), (2245, 7492), (3746, 4490)]