19320796

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 20031524

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 191, 209, 242, 382, 418, 484, 764, 836, 1331, 2101, 2299, 2662, 3629, 4202, 4598, 5324, 7258, 8404, 9196, 14516, 23111, 25289, 39919, 46222, 50578, 79838, 92444, 101156, 159676, 254221, 439109, 508442, 878218, 1016884, 1756436, 4830199, 9660398, 19320796]

約数ペア:

[(1, 19320796), (2, 9660398), (4, 4830199), (11, 1756436), (19, 1016884), (22, 878218), (38, 508442), (44, 439109), (76, 254221), (121, 159676), (191, 101156), (209, 92444), (242, 79838), (382, 50578), (418, 46222), (484, 39919), (764, 25289), (836, 23111), (1331, 14516), (2101, 9196), (2299, 8404), (2662, 7258), (3629, 5324), (4202, 4598)]