19925509

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21876480

約数和(自身を除く): 1950971

約数列:

[1, 19, 47, 53, 421, 893, 1007, 2491, 7999, 19787, 22313, 47329, 375953, 423947, 1048711, 19925509]

約数ペア:

[(1, 19925509), (19, 1048711), (47, 423947), (53, 375953), (421, 47329), (893, 22313), (1007, 19787), (2491, 7999)]