18609512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 18369688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 191, 382, 641, 764, 1282, 1528, 2564, 3629, 5128, 7258, 12179, 14516, 24358, 29032, 48716, 97432, 122431, 244862, 489724, 979448, 2326189, 4652378, 9304756, 18609512]

約数ペア:

[(1, 18609512), (2, 9304756), (4, 4652378), (8, 2326189), (19, 979448), (38, 489724), (76, 244862), (152, 122431), (191, 97432), (382, 48716), (641, 29032), (764, 24358), (1282, 14516), (1528, 12179), (2564, 7258), (3629, 5128)]