11949820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4561}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 25291728

約数和(自身を除く): 13341908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4561, 9122, 18244, 22805, 45610, 91220, 597491, 1194982, 2389964, 2987455, 5974910, 11949820]

約数ペア:

[(1, 11949820), (2, 5974910), (4, 2987455), (5, 2389964), (10, 1194982), (20, 597491), (131, 91220), (262, 45610), (524, 22805), (655, 18244), (1310, 9122), (2620, 4561)]