18971180

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5483}}^1$

素因数の和:5665

約数の個数: 24

約数和(自身を含む): 40077072

約数和(自身を除く): 21105892

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5483, 10966, 21932, 27415, 54830, 109660, 948559, 1897118, 3794236, 4742795, 9485590, 18971180]

約数ペア:

[(1, 18971180), (2, 9485590), (4, 4742795), (5, 3794236), (10, 1897118), (20, 948559), (173, 109660), (346, 54830), (692, 27415), (865, 21932), (1730, 10966), (3460, 5483)]