19905722

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 30627072

約数和(自身を除く): 10721350

約数列:

[1, 2, 47, 94, 421, 503, 842, 1006, 19787, 23641, 39574, 47282, 211763, 423526, 9952861, 19905722]

約数ペア:

[(1, 19905722), (2, 9952861), (47, 423526), (94, 211763), (421, 47282), (503, 39574), (842, 23641), (1006, 19787)]