19794100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1656

約数の個数: 36

約数和(自身を含む): 43309728

約数和(自身を除く): 23515628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1511, 2620, 3022, 3275, 6044, 6550, 7555, 13100, 15110, 30220, 37775, 75550, 151100, 197941, 395882, 791764, 989705, 1979410, 3958820, 4948525, 9897050, 19794100]

約数ペア:

[(1, 19794100), (2, 9897050), (4, 4948525), (5, 3958820), (10, 1979410), (20, 989705), (25, 791764), (50, 395882), (100, 197941), (131, 151100), (262, 75550), (524, 37775), (655, 30220), (1310, 15110), (1511, 13100), (2620, 7555), (3022, 6550), (3275, 6044)]