18348380

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5303}}^1$

素因数の和:5485

約数の個数: 24

約数和(自身を含む): 38761632

約数和(自身を除く): 20413252

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5303, 10606, 21212, 26515, 53030, 106060, 917419, 1834838, 3669676, 4587095, 9174190, 18348380]

約数ペア:

[(1, 18348380), (2, 9174190), (4, 4587095), (5, 3669676), (10, 1834838), (20, 917419), (173, 106060), (346, 53030), (692, 26515), (865, 21212), (1730, 10606), (3460, 5303)]