19729733

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 22530816

約数和(自身を除く): 2801083

約数列:

[1, 19, 31, 41, 43, 361, 589, 779, 817, 1271, 1333, 1763, 11191, 14801, 15523, 24149, 25327, 33497, 54653, 458831, 481213, 636443, 1038407, 19729733]

約数ペア:

[(1, 19729733), (19, 1038407), (31, 636443), (41, 481213), (43, 458831), (361, 54653), (589, 33497), (779, 25327), (817, 24149), (1271, 15523), (1333, 14801), (1763, 11191)]