19384845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 34577280

約数和(自身を除く): 15192435

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4001, 4845, 12003, 20005, 60015, 68017, 76019, 204051, 228057, 340085, 380095, 1020255, 1140285, 1292323, 3876969, 6461615, 19384845]

約数ペア:

[(1, 19384845), (3, 6461615), (5, 3876969), (15, 1292323), (17, 1140285), (19, 1020255), (51, 380095), (57, 340085), (85, 228057), (95, 204051), (255, 76019), (285, 68017), (323, 60015), (969, 20005), (1615, 12003), (4001, 4845)]