19405844

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 34836480

約数和(自身を除く): 15430636

約数列:

[1, 2, 4, 53, 106, 212, 239, 383, 478, 766, 956, 1532, 12667, 20299, 25334, 40598, 50668, 81196, 91537, 183074, 366148, 4851461, 9702922, 19405844]

約数ペア:

[(1, 19405844), (2, 9702922), (4, 4851461), (53, 366148), (106, 183074), (212, 91537), (239, 81196), (383, 50668), (478, 40598), (766, 25334), (956, 20299), (1532, 12667)]