19803004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1663}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 37506560

約数和(自身を除く): 17703556

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1663, 2977, 3326, 5954, 6652, 11908, 21619, 43238, 86476, 380827, 761654, 1523308, 4950751, 9901502, 19803004]

約数ペア:

[(1, 19803004), (2, 9901502), (4, 4950751), (13, 1523308), (26, 761654), (52, 380827), (229, 86476), (458, 43238), (916, 21619), (1663, 11908), (2977, 6652), (3326, 5954)]